Answer:
In plant anatomy, tissues are categorized broadly into three tissue systems: the epidermis, the ground tissue, and the vascular tissue. Epidermis - Cells forming the outer surface of the leaves and of the young plant body. Vascular tissue - The primary components of vascular tissue are the xylem and phloem.
The main tissue systems of plants are the dermal tissue system, the ground tissue system, and the vascular tissue system.
The dermal tissue system is the outermost layer of cells covering the plant's primary body. It includes the epidermis of leaves, young stems, and roots, and the periderm in woody stems and roots. Its primary functions are protection, control of water loss, and gas exchange.
The ground tissue system is composed of relatively unspecialized cells and is located between the dermal and vascular tissues. It is responsible for storage, photosynthesis, and support. Ground tissue includes parenchyma, collenchyma, and sclerenchyma cells.
The vascular tissue system is made up of complex tissues that transport water, nutrients, and photosynthetic products throughout the plant. It consists of xylem, which transports water and minerals from the roots to the rest of the plant, and phloem, which transports sugars and other metabolic products from the leaves to other parts of the plant.
Each of these tissue systems plays a crucial role in the structure and function of plants, contributing to their growth, development, and survival.
3. What sedimentary rock is made up of pieces
of shells?
4. What are two types of sedimentary rock?
Coquina is the sedimentary rock is made up of pieces of shells.
Two types of sedimentary rock: Clastic and chemical sedimentary rocks
Explanation:
Coquina is the sedimentary rock formed by fragments or pieces of shells of marine animals like mollusks, brachiopods, trilobites and certain invertebrates.
The shells of marine animals are fragmented due to abrasion and mechanical degradation and sorting by the wave action and chemicals present in the sea water and gets transported which then sediments to form rock structures called coquina. The shells mostly contain calcium carbonate.
Chalk is the sedimentary rock formed b the fossil shells fragmented from foraminifers. This is a more powdery type of limestone.
Depending upon the type of sedimentation, sedimentary rocks are of three types:
Clastic – Made from sedimentation of clastic (pieces from broken rocks) through the processes of mechanical weathering and lithification (cementing and compacting). sandstone, conglomerate
Chemical – Made from evaporation of water and precipitation of materials which were previously dissolved in a solution. Example: Rock salt, dolomite
Organic – Repeated accumulation and sedimentation of organic matter or remains from plant and animal sources like bones (calcium deposits). Example: coal.
Calculate 0.1 M CaCl2
1. Identify three factors that contribute to slope stability
2. How is slump different from creep?
3. Explain some ways in which mass movement can affect wildlife.
4. Why might a rock slide turn into a rock avalanche?
5. Why are saturated sediments so weak?
Answer:
Three factors that contribute to slope stability are the strength of the materials, the angle of the slope, and the amount of water present.
Slump is a type of slide that occurs along a curved failure surface. The materials involved move as a single unit. Creep is a type of flow during which materials move down a slope slowly.
Mass movement can affect wildlife by blocking or rerouting streams, disrupting the habitats of fish and aquatic plants. It can also remove all the trees and plants from an area, creating habitat loss for birds and mammals that live in forests.
A rock slide involves a slab of rock that moves as a single unit. As the slab of rock gathers speed, it can shatter into many fragments, which begin to flow rather than slide. At this point, the rock slide becomes a rock avalanche.
Saturated sediments are weak because the large amount of water around each grain actually pushes the grains apart. This reduces the amount of friction between grains. This can make sediments very unstable and lead to slope failure.
Answer:
Three factors that contribute to slope stability are the strength of the materials, the angle of the slope, and the amount of water present.
Slump is a type of slide that occurs along a curved failure surface. The materials involved move as a single unit. Creep is a type of flow during which materials move down a slope slowly.
Mass movement can affect wildlife by blocking or rerouting streams, disrupting the habitats of fish and aquatic plants. It can also remove all the trees and plants from an area, creating habitat loss for birds and mammals that live in forests.
A rock slide involves a slab of rock that moves as a single unit. As the slab of rock gathers speed, it can shatter into many fragments, which begin to flow rather than slide. At this point, the rock slide becomes a rock avalanche.
Saturated sediments are weak because the large amount of water around each grain actually pushes the grains apart. This reduces the amount of friction between grains. This can make sediments very unstable and lead to slope failure.
Explanation:
Which abiotic factor in tropical forests do boreal forests lacks
Answer:
They are cooler and drier than tropical rain forests. Abiotic factors, or nonliving factors, of a temperate rain forest include temperature, water, cloud cover, soil and light. These abiotic factors interact with biotic, or living factors, to form the rain forest's unique ecosystem.
The tropical rainforest biome is made of tall trees and has a wet climate type. The Boral forest is temperate forest biomes and has cool climate.
The tropical forest has a higher leaf litter and the sunlight is available in less quantity. The boreal has less leaf litter and more sunlight. Hence the tropical forest has a high quantity of humus and more organic matter as compared to the boreal forests.Learn more about the factor in tropical forests do boreal forests lack
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2 ) Amphibians:
A lay their soft-shelled eggs in water.
B lay their hard-shelled eggs on land.
C lay their hard-shelled eggs in water.
D lay their soft-shelled eggs on land.
E all of the above.
Answer:
i think its A
Explanation:
i mean frogs lay there eggs in water
Amphibians typically lay their soft-shelled eggs in water to protect them from drying out, which aligns with their dual life stages of living in water as larvae and on land as adults.
Explanation:Amphibians, a category of animals that includes frogs, toads, and newts, typically lay their soft-shelled eggs in water (Option A). This is because their eggs lack the hard, protective covering found in bird and reptile eggs, which leaves them vulnerable to desiccation, or drying out. Laying eggs in water helps keep them moist and viable. This is a significant characteristic of amphibians, which are known for their dual life stages: one in water (as larvae) and one on land (as adults).
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What is in a bacterial cell
Answer:
It contains enzymes, nutrients, wastes, and gases and contains cell structures such as ribosomes, a chromosome, and plasmids.
Explanation:
Answer:
IT is
Explanation:
It is a gel-like matrix composed of water, enzymes, nutrients, wastes, and gases and contains cell structures such as ribosomes, a chromosome, and plasmids. The cell envelope encases the cytoplasm and all its components. Unlike the eukaryotic (true) cells, bacteria do not have a membrane enclosed nucleus.
Before cells divide their DNA replicates to form two identical copies. Is it always a good thing for the
DNA to be copied accurately? Why or why not?
Answer:
we often yhink of mutations as a negative thing, but that isn't always the case. these errors, or changes in DNA, are essential to evolution. usually they're neither good or bad, just different. alleles are what make us unique such as our hair color, skin color, height, etc
Explanation:
Which is the function of the fovea?
It controls the amount of light entering the eye.
It provides the greatest detail of an image when light hits it.
It flips the image that is being viewed.
It changes the curvature of the lens to allow less light to enter.
Answer: It provides the greatest detail of an image when light hits it
The fovea is a part of the eye that provides high-resolution, sharp central vision. It is the region with the highest concentration of cones, the cells responsible for detailed color vision in good lighting. Light is most focused on the fovea, enabling it to provide the greatest detail of the image.
Explanation:The fovea is a part of the eye, located in the center of the macula, which is itself in the center of the retina at the back of the eye. The main function of the fovea is to provide high-resolution, sharp central vision, as it is the region with the highest concentration of photoreceptor cells known as cones. These cones handle color vision and detail when lighting is good. When light enters the eye, it is focused by the cornea, passes through the lens and then strikes the retina. The region that the light hits the most directly is the fovea, and it is there that it offers the greatest detail of the perceived image.
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what is the oldest kingdom?
Answer:
the Imperial House of Japan was founded in 660 BCE by Japan's first Emperor, Jimmu, making it the oldest continuous hereditary monarchy
Explanation:
How do some of non-resistant bacteria become antibiotic-resistant
When an antibiotic is given for a non- resistant bacteria it inactivates or kills the bacteria however some microbes do not die and survive and multiply and pass the infection to other people making the bacteria antibiotic resistant.
Explanation:
The antibiotic resistant bacteria are those that are able to resist the effect of antibiotic and renders them ineffective that was once able to kill or inactivate bacteria.
While antibiotic non-resistant bacteria are those that are not able to resist the effect of antibody.
The reason some non-resistant bacteria becomes resistant is that a mutation in the nonresistant bacteria may occur or continuous exposure of the antibiotic would make it resistant to it.
Every time an antibiotic is taken for some bacterial infection it kills the bacteria but some that survive become resistant and grow in numbers and get transfer to other people causing them to be antibiotic resistance. The infection transfer to other people would not be treated by once used antibiotic as the microbe has become resistant.
During the cell replication due to some mutation caused they get resistant to antibiotic by a process called selective pressure.
Which of these is a benefit of fish farming?
Answer:
c) It provides an alternate source of seafood
Explanation:
Options:
A) It depletes native fish populations
B) It poses a risk of disease for wild stocks
C) It provides an alternate source of seafood
D) It pollutes natural bodies of water
Fish farming is a method in which a specialist, usually a biologist, breeds freshwater or marine fish species in large quantities (in-vitro) in big tanks with the aim of selling these fish for food. In many cases, biologists manipulate these fish to get bigger and healthier fish, which in turn will produce more economical gain.
The main advantage of this method is that it provides an alternative source of seafood as, due to overexploitation, conservationists have detected a significant decline on fish populations in the ocean and in freshwater ecosystems.
True or False The color-coded world map is used to explain the age of the Atlantic ocean floor( crust )
The given statement is true.
Explanation:
Crust refers to the top most upper layer of the earth's surface. Crust consists of two parts: SIAL and SIMA. Sial comprises Silicon and Auminium whereas Sima comprises Silicon and Magnesium. Sima is heavy in weight and sial is lighter in weight. Sima floats on Sial. Crust is of two types: Continental and Oceanic crust.
Atlantic ocean is the second largest ocean in the world. The age of the sea floor which is made up of materials erupted from volcanic explosion. Mid oceanic ridge formed due to volcanism and create a thick bed in the sea floor. By using color coded map deep to light shaded age of the ocean floor can be determined.
The color-coded world map is not specifically used to explain the age of the Atlantic ocean floor (crust), but it can provide a visual representation of the distribution of land and oceanic areas. The Atlantic Ocean is formed through plate tectonics, where the oceanic crust is moving apart along the mid-Atlantic ridge, creating new and relatively young oceanic crust.
Explanation:The color-coded world map is not specifically used to explain the age of the Atlantic ocean floor (crust). Instead, the age of the oceanic crust is determined through other geological methods. However, the map mentioned in the question, which shows Earth's crust and ocean floor, can provide a visual representation of the distribution of land and oceanic areas.
The Atlantic Ocean is one of the major ocean basins on our planet. It is formed through plate tectonics, where the oceanic crust is moving apart along the mid-Atlantic ridge. This process creates new oceanic crust, which is relatively young compared to the age of the Earth.
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1. What realization did Dr. Natterson Horowitz come to due to her work as both a cardiologist at
UCLA and a contractor who helped the Los Angeles Zoo? What question did that raise in her
mind?
Answer:
that animals and humans are really closely related, as well as that helping treat animals with diseases can help treat humans with the same disease, The questions that raise in her mind is that physicians and veterinarians are similar but physicians only work with humans and veterinarians work with all kinds of different animals.
Explanation:
Dr. Natterson-Horowitz realized through her diverse work experience that human and animal health are closely connected. She wondered why there wasn't more collaboration between medical doctors and veterinarians. Her observations led to the discipline she calls 'Zoobiquity' which advocates for interconnected study of human and animal health.
Dr. Barbara Natterson-Horowitz, a cardiologist at UCLA and consultant at the Los Angeles Zoo, came to a profound realization that the health issues encountered in humans are not just confined to our species, but are widespread among animals as well. This raised a pivotal question in her mind: 'Why aren't medical doctors and veterinary doctors collaborating more closely?'
This realization led her to a new discipline she calls 'Zoobiquity'. In her work, she identified various diseases and conditions that are common to both humans and animals such as breast cancer, obesity, heart failure, and even mental health disorders. Her findings emphasized the need for interdisciplinary studies linking human and animal health, under the One Health initiative.
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Why do frogs croak, what makes them croak, and is it used for mating?
Answer:
they croak to show agresion
Explanation:
b/c they use it to pretect females
1. The male frogs croak to attract female frogs so that they can mate.
2. Frogs croak by moving air over their vocal cords and causing them to vibrate.
3. Definetly
In the ecological pyramid, organism A represents a
Answer:
In an ecological pyramid, organism A usually represents a producer as it is the first part of a pyramid. Each food chain or food web begins with a producer. This is because producer organisms are able to produce their own food and hence bring in the energy for a food chain or a food web. Hence, it organism A is the first part of an ecological pyramid, then it will be producers which produce their food.
Which materials are excreted through sweat glands in the skin?
Answer:
Sweat glands remove waste by secreting water, nitrogenous waste, and sodium salts. Sweat glands also regulate temperature.
how are sea cucumbers different from other exhinoderms
Answer:
Like all echinoderms, sea cucumbers possess both a water vascular system that provides hydraulic pressure to the tentacles and tube feet, allowing them to move, and a haemal system.
Answer: They are soft bodied and their leathery skin lack spines. They also have wart type things on their body.
Explanation:
8. Which of these is a behavioral adaptation?
A) A hognose snake pretends it is dead to trick
a predator. B) A frog's light-colored belly makes it harder
for a predatory fish to see it against sunlight
on the water surface.
C)The scarlet king snake looks very much like
the poisonous coral snake. D) A treehopper on a leaf or twig resembles
a thorn.
Answer:
A) A hognose snake pretends it is dead to trick a predator.
Explanation:There is behavioral adaption and structural adaption. Behavioral adaption are actions animals take in order to survive their environments such as hibernation or migration. Structural adaption is a characteristic in a plant or animal's body that helps it to survive its environment such as camouflage. Answers B, C, and D are all examples of structural adaption.
A) the hognose snake one
Question 3 of 10
2 Points
What term is used to describe how well an organism functions in its
environment?
O
A. Evolution
O
B. Selection
O
C. Fitness
O
D. Variation
SUBMIT
Answer:
The answer is C. Fitness
Bile salts, from the liver and stored in the ball bladder, will__________
the lipids, emulsifying them.
Bile salts, from the liver and stored in the ball bladder, will digestion
the lipids, emulsifying them.
Explanation:The digestive role of the liver is to build bile and transport it to the duodenum. Bile is essential in the emulsification of nonpolar fats in the aqueous small intestinal liquid.
Bile comprises bile acids, that remain vital for digestion and intake of fats and fat-soluble vitamins in the small intestine.The gall bladder is significant because of its storehouse and discharge of bile while digestion. when the small intestine senses the propinquity of food, the gall bladder will deliver the bile to emulsify fats while digestion.
Bile salts from the liver and stored in the gallbladder emulsify lipids, breaking them into smaller droplets. This process increases the surface area for enzyme action, making lipid digestion more efficient. Option A is correct .
Emulsification is the process where large lipid globules are broken down into smaller lipid globules. This occurs because bile salts have both a hydrophilic side, which is attracted to water, and a hydrophobic side, which is attracted to fats.
Thus, bile salts help in dispersing the lipids in the watery environment of the small intestine, increasing the surface area for the enzyme pancreatic lipase to act on. This process is crucial for the digestion and absorption of lipids.
Complete question :
Bile salts, from the liver and stored in the ball bladder, will__________ the lipids,
A. emulsify
B. denaturation
C. glycogenolysis
Which organism in this diagram is a tertiary consumer?
A. Shrimp
B. Phytoplankton
C. Person
D. Salmon
In the analyzed diagram, Salmon serves as the tertiary consumer due to its position as a predator of smaller fish, which are secondary consumers. This places Salmon at the top of the food chain. Here option D is correct.
Salmon is the tertiary consumer in the diagram:
1. Understanding Tertiary Consumers:
Tertiary consumers are organisms that eat secondary consumers. Secondary consumers, in turn, eat primary consumers, which eat producers (like phytoplankton).
Tertiary consumers are often at the top of the food chain and can be apex predators, meaning they have no natural predators themselves.
2. Analyzing the Diagram:
Shrimp: These are primary consumers as they directly eat phytoplankton, the producers.
Phytoplankton: These are producers that make their own food through photosynthesis.
Person: Humans are omnivores, meaning they eat both plants and animals. In this diagram, however, there's no indication of what the person eats. Considering the information presented, we can't definitively place them as tertiary consumers.
Salmon: These are large fish predators that mainly eat smaller fish, which are typically secondary consumers. Therefore, the salmon occupies the third level in the food chain, making them tertiary consumers.
Based on their position in the food chain and feeding habits depicted in the diagram, Salmon is the organism that fits the definition of a tertiary consumer. Here option D is correct.
A population of black bears depends on salmon from a stream for food. If a drought causes the stream to run dry one year, how will this likely impact the black bear population? A. The population's size will increase. B. The population will thrive on new species of fish. C. The population will be unaffected. D. The population's size will decrease.
What two features would make humans good index fossils????
1.Where are red blood cells formed and destroyed?
Answer:
Red blood cells are formed in the bone marrow and destroyed in macrophages.
Explanation:
explain how a fossil from a plant or an animal that lived in a warm environment could be found in Antarctica
Answer:
Plate tectonics
Explanation:
The reason why a fossil of plant from a plant or an animal that once lived in a warm climate can be found in present day cold Antarctica is due to plate tectonics.
Plate tectonics suggests that the earth is broken into series of slabs called lithosphere that moves on top of a weak and ductile asthenosphere.
The present day position of the different plates on earth are not the original position according to the precepts of this theory. Antarctica was further up several millions of years ago. Plate tectonics theory is highly putative and gives more insight into how the earth system works. Antarctica was close to the equatorial region rather than being polar as we know it today. Over the cause of its journey, it has moved relatively to its new position. The jointed land masses before they broke up will have similar fossil records.Fossils from warm environments reach Antarctica due to continental drift, past warm climates, and subsequent geological changes over time.
Fossils from plants or animals that lived in warm environments can be found in Antarctica due to the process of continental drift and past climate changes. Millions of years ago, Antarctica was not covered by ice and was situated much closer to the equator within a larger landmass called Gondwana.
During periods of warmer climates in Earth's history, Antarctica supported diverse ecosystems with lush vegetation and abundant animal life. As plants and animals died, their remains were buried by sediment, preserving them as fossils over time.
Subsequent tectonic movements caused Antarctica to drift southward and become increasingly cold, leading to the formation of glaciers and the eventual ice cap that covers the continent today. However, fossils of ancient plants and animals remain preserved within the rock layers of Antarctica, providing valuable insights into its past climate and environment.
Thus, the presence of fossils from warm environments in Antarctica is evidence of the continent's geological history and the changes it has undergone over millions of years.
what is a hydrogen bond and why is it not a true bond
Answer:
Hydrogen bond: It is a type of bond which exist between hydrogen atom and other atom having high value of electronegativity. Those atoms having high electronegativity values has the capability to attract the shared pair of electron towards itself. Hydrogen atom have very low value of electronegativity, so the shared pair of electron goes farther from it and nearer to high electronegative atom such as oxygen in water molecule. This bond is very weak than covalent bond.
It is not true bond due to weak force of attraction between atoms.
Epithelial cells neurons blood cells muscle cells conduct electrical impulses; allow body to react to stimuli
Answer:
Neurons are responsible for the conduction of electrical impulses that allow body to react to stimuli. Neurons are basic structural and functional unit of nervous system. Neurons consist of three body parts i. e. Dendrites, a cell body and axon. Neurons transmit data or information from nervous system to the organs and from organs to nervous system. There are three types of neurons i. e. sensory neurons, motor neurons and interneurons.
What is the definition of stem cell ?
Answer: Cells of the body that can divide and become differentiated.
Explanation:
Describe four ways that Vincent maintains his genetic identity?
Answer:
I dont know who vincent is
Explanation:
What is microevolution?
changes in a population's allele frequencies
major changes in populations over a long time
genetic changes among and within populations
evolution of new species
Answer:
genetic changes among and within populations
Explanation:
Microevolution occurs when there are changes in gene frequency within a population over a short period of time. Microevolution specifically refers to changes within a population, a population being a group of organisms that breed with each other.
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