The relationships between a community of plants and animals and their environment are known as a(n) _____. food chain food web ecosystem life cycle

Answer:B.Hubble's constant

Explanation:

Astronomers have come up with the most precise measurement to measure the expansionof the universe.

We know the space is expanding and the push behind the swelling of the space is measured by a constant called the "hubble's constant" and it is measured in kilometers per second per megaparsec.

It is a way to measure distance between two stars but scientists think it is not accurate enough and are still looking for more specific and precise measurements

Answer:

the answer is C. Nickel and Iron

Explanation:

Answer:

Nickel and Iron

Explanation:

Answer:

The correct answer is option B, that is, their predators had been killed off by the Permian extinction.

Explanation:

The avian dinosaurs and the mammals were small creatures, living under the pump of the dinosaurs that reign the world, however, also were ceasing the further enhancement in the development and the size of these species. At the termination of the Cretaceous era, due to the colliding of an asteroid on the Earth, all the dinosaurs got wiped out from the Earth's surface, with the only remaining one of the species of dinosaurs were the small avian species.  

Due to the opening of lots of niches, the avian dinosaurs and the mammals briskly began to diversify, evolve, and become much bigger in size. The mammals won the race for supremacy and they became the most prevailing species on the Earth.  

Answer:

◉ B. Their predators had been killed off by the Cretaceous-Paleogene extinction.

Explanation:

Mammals and avian dinosaurs that survived Cretaceous Periodthrived during the Paleogene Period. Their predators had gone extinct at the end of the Cretaceous. The lack of larger predators allowed these lifeforms to proliferate.

Answer:

D

Explanation:

well if the worm is living in the cow and causing it to be malnourished its a parasitic relationship

Answer: Organisms use inorganic compounds to convert carbon compounds.

Explanation: Chemosynthesis is the process by which food is made by bacteria using chemicals as the energy source, rather than sunlight.

Answer: Photosynthesis and chemosynthesis. ... Chemosynthesis is the process by which food (glucose) is made by bacteria using chemicals as the energy source, rather than sunlight. Chemosynthesis occurs around hydrothermal vents and methane seeps in the deep sea where sunlight is absent

Answer:

Answer: 2

Explanation:

I do not not know a VOC resource is, but it is not the answer. The answer is B, a rapidly renewable resource.

Somethings are by products. Silver and Gold can be byproducts of copper, but Bamboo is a primary resource. You use it as soon as you grow it.

Answer 2

anaerobic respiration does not require oxygen so, option C is right answer

Answer:

It's C. Anaerobic respiration does not require oxygen.

Explanation:

C because Aerobic respiration cannot occur without oxygen. Anaerobic respiration occurs in the absence of oxygen. Both processes consume glucose, produce ATP, and release energy.

Answer:

0.01

Explanation:

1000=10/real

10/1000=real

real=1/100

Answer:

0.01 is correct

Explanation:

A. White eggs and D. Weak bones in chickens are the two best answers if multiple answers are allowed

Answer:

The answer is D. weak bones, i think

Explanation:

The peduncle of a flower is equivalent to the flower's stem. It supports the flower and allows for the transportation of nutrients and water to the flower.

The peduncle of a flower is the part that serves as the flower's stem. It is the structure that supports the flower, and is typically located at the top of the plant, extending upwards to hold the flower aloft. Therefore, the correct answer to your question is A. Flower Stem. The peduncle connects the rest of the plant to the flower, allowing nutrients and water to travel from the roots and leaves to the reproductive parts of the flower.

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Answer:

allest trees are the emergents, towering as much as 200 feet above the forest floor with trunks that measure up to 16 feet around.   Most of these trees are broad-leaved, hardwood evergreens. Sunlight is plentiful up here.  Animals found are eagles, monkeys, bats and butterflies.

whlay2.gif (42639 bytes)

CANOPY LAYER

This is the primary layer of the forest and forms a roof over the two remaining layers.   Most canopy trees have smooth, oval leaves that come to a point. It's a maze of leaves and branches.  Many animals live in this area since food is abundant.   Those animals include: snakes, toucans and treefrogs.

whlay3.gif (58054 bytes)

UNDERSTORY LAYER

Little sunshine reaches this area so the plants have to grow larger leaves to reach the sunlight.   The plants in this area seldom grow to 12 feet.  Many animals live here including jaguars, red-eyed tree frogs and leopards.  There is a large concentration of insects here.

whlay4.gif (47267 bytes)

FOREST FLOOR

It's very dark down here.  Almost no plants grow in this area, as a result.  Since hardly any sun reaches the forest floor things begin to decay quickly.  A leaf that might take one year to decompose in a regular climate will disappear in  6 weeks.   Giant anteaters live in this layer.

Explanation:

layer 1 is Emergent Layer

layer 2 is Canopy Layer

layer 3 is Understory

layer 4 is Forest Floor

hope this helps :)

Answer:

Explanation:

D nitrogen-fixing bacteria in root of legumes this is an illustration of a relationship that both organisms need

Answer: D

Explanation:

Answer:

The correct answer is D

Explanation:

1- Most of the protists and all Prokaryotes are unicellular organisms.  

2- Prokaryotes lack a proper nucleus and other membrane-bounded organelles while protists have membrane-bounded nuclei and other organelles.

3- Protists have cytosol where most of the organelles are found.

4- Protists don't have a cell wall while prokaryotes have a cell wall that acts as an extra protection layer. The cell wall of the protists shapes their body.

Answer:

Most protists and all prokaryotes are unicellular. (or D)

Explanation:

I had the question.

Answer:

Deep Ocean.

Explanation:

This area recives no sunlight at all

Deep Ocean ecosystem receives the least sunlight. An ecosystem is consist of biotic and abiotic organisms.

An ecosystem is consist of biotic and abiotic organisms. There is a major relationship between biotic and abiotic or biotic and biotic components.

The relationship between biotic and biotic components is called food chain, in which one organisms depends on others for their survival and balance the energy flow in the ecosystem. So impact on any one species in the food chain will impact the whole ecosystem.

Thus, Deep Ocean ecosystem receives the least sunlight.

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B. To orient themselves and to find food

Since they cannot see very well or even at all in some cases, these animals use echolocation instead to orient themselves, to find where they are, and to find food.

C. To attract mates so that they can breed

Electrical products

Explanation - Polymers of electrical products can be produced in large quantities and low cost. This type of polymer are non-conductive in nature. However, they very high heat resistance property. Polymers for electrical products can mold itself in various shapes and sizes and also can reach very minute areas.

Polymers vary from one item to another. Polymers for commercial packaging is different from polymers of electrical products. Thus, polymers need to be chosen properly according to the use and its effectiveness.  

Synthetic polymers, such as plastics and rubbers, are cost-effective to produce and can be engineered for specific uses, from packaging to structural supports. They often have advantages over their natural counterparts and are essential in everyday life, although their non-biodegradable nature calls for effective recycling practices.

Synthetic polymers can be produced in large quantities at low cost. The commercial production of synthetic polymers, such as plastics and rubbers, offer economic benefits over natural polymers. Through the process of polymerization, monomers are covalently bonded to form these large, complex molecules, which can then be tailored to have specific properties for diverse applications. High molecular mass polymers are used in a wide variety of consumer goods and materials such as clothing, medical devices, and structural supports experiencing corrosive environments.

Some common synthetic polymers include polyethylene, polyvinyl chloride (PVC), and polystyrene, which are derived from petrochemicals and possess properties that make them versatile and durable. Moreover, adding functional groups to polymers can drastically alter their properties. Recycling of polymers, particularly plastics, is important due to their non-biodegradable nature, which poses environmental challenges. This recycling helps minimize the usage of petrochemical resources and reduces environmental damage.

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Answer:

- prehensile hands and feet

- five digits and opposable thumbs

- flexible and limber shoulders and hips

- big and complex brains

Explanation:

The primates are the most intelligent animals collectively, and they include the most intelligent animal on the planet, the human. All of them share some common characteristics that lead the paleoanthropology to conclude that they share a common ancestor. Most of them have prehensile hands and feet, which is a rare among other groups of animals. Almost all of them have five digits on their hands and feet, possessing opposible thumbs as well, enabling them to grab things. The shoulders and hips are also much different than the other animals, being much more flexible and limber. The most important characteristic maybe is their brain, as it is abnormally large and complex when compared with other animals of the same sizes. Their complex brains enable them to perform numerous things that other animals can't even imagine, and eventually that large brain helped in creating the most intelligent animal on the planet, the human.

Primates share several characteristics that lead paleoanthropology to conclude that they have a common ancestry: opposable thumbs, forward-facing eyes, flexible hands and feet, and a large brain relative to body size.

Primates share several characteristics that lead paleoanthropology to conclude that they have a common ancestry. Four of these characteristics are:

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Answer:

A

Explanation:

When the surface runoffs are strong enough to cause sediment detachment and if the amount of sediment is within the load limit the runoff can carry, then these conditions are set for rill erosion. The rills are the narrow shallow strips that are formed for in the wake of the runoffs. They are formed from heavy downpours. The runoffs are fast but not as fast and strong as those in gully erosion.

Rill erosion is described as the process where runoff from heavy rainfall forms narrow, shallow channels known as rills across the land. This takes place when the water flows in small streams and erodes the soil, which is a common progression from sheet erosion.

The correct answer to the question is A. Runoff from heavy rainfall forms narrow, shallow channels. This describes rill erosion, a common form of water erosion that often develops from sheet erosion. When runoff water accumulates and flows in small streamlets across the land, it creates these channels known as rills. If left unchecked, they can grow larger and potentially join together to form gullies, which are much deeper and more severe channels.

Rill erosion is distinct from rain splash erosion, where the impact of raindrops displaces soil particles, and from sheet erosion, where a thin film of water removes a uniform layer of soil. Unlike gully erosion, which is characterized by the formation of deep channels due to fast-moving water, rill erosion involves the development of smaller, more numerous channels that can gradually expand.

Answer:

The human body has got five senses that collect information from the outside world.

Explanation:

Below are some of the senses and the information they collect:

Matter

Matter is the physical atoms and molecules of solids, liquids and gases which produces heat energy that we can detect through our sense of touch.

We collect information about gases through smelling.

Space

As far as we can tell from our senses, there are three dimensions of space information collected by our bodies.

We can see light energy which reflects off surfaces.

Time

We create our sense of time internally through interacting with objects or other people.

The body detects external information via five special senses: olfaction, gustation, equilibrium, vision, and hearing, as well as general senses like temperature, pain, pressure, and vibration. These senses work through sensory transduction, converting stimuli into electrical signals.

The human body can detect a variety of sensations from the outside world through specialized sensory systems. We have five special senses: olfaction (smell), gustation (taste), equilibrium (balance and body position), vision, and hearing. These senses allow us to receive information about our environment and help us to interact with it. Additionally, our bodies have general senses, also known as somatosensation, which respond to stimuli such as temperature, pain, pressure, and vibration.

Within our skin are nerve receptors that facilitate our sense of touch. These receptors can detect pressure, hot, cold, and pain. Moreover, humans are capable of detecting approximately 10,000 different odours thanks to our approximately 1,000 types of odour receptor cells. Our vestibular system provides our sense of spatial orientation and balance, while proprioception informs us of the position of our bones, joints, and muscles, which is essential for movement coordination, known as kinesthesia. All sensory systems share a common function: the conversion of stimuli into electrical signals in the nervous system, a process known as sensory transduction.

Answer:

because you can only grow so much if you keep growing your organs wouldn't be able to keep up with your body

Explanation:

Answer: CAPILLARIES

Explanation: Gas exchange is the delivery of oxygen from the lungs to the blood stream, and the elimination of carbon dioxide from the blood stream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessel is called capillaries, which are located in the walls of the alveoli.

ATP

NADPH

the ATP produce will go to the Calvin circle

Answer:

Vacuoles

Explanation:

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

a phenotype is an individual's observable traits. For example a phenotype is black hair or blue eyes.

Answer:

The three structures that are most likely found in all fish are: blood, fins, and gills.

Explanation:

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Answer:

fins, gills, blood

Explanation:

Answer: Weakens the image of stars

Explanation: Chromatic aberration is the defect in lens occurs when the light beam deflected by the lens is dispersed in its constituent colors. When the light beam deflected by the lens is dispersed in its constituent colors the image formed by the lens is not just a single point image it scatters images according to different colors of the light. There are two types of chromatic aberration Lateral chromatic aberration:The images formed in lateral chromatic aberration the image of stars is shifted to sideways of the real appearance of star.Longitudinal chromatic aberrationThe images formed in longitudinal chromatic aberration the image of stars is enlarged longitudinally to the real appearance of star. Thus, the image formed in this case is weaken longitudinallyWhen stars are observed from the earth the due to longitudinal chromatic aberration the image of star is weaken.

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Answer:

RNA Polymarase

Answer:

When homeostasis is interrupted, your body may correct or worsen the problem based on certain influences, causing the insulin secreation to be stopped, can alter the blood pH, affect digestive system, and other problems.

Explanation:

Ok, when the is and imbalance in a body system, that balance is shifted or disrupted and homeostasis is not maintained, the results may not allow normal functioning of the organism, causing deseases. Disease and cellular malfunction can be caused in two basic ways: by deficiency (when beneficial pathways are blocked) or toxicity (cells have an excess of a toxin that poisons the cell).

And when homeostasis is interrupted, your body may correct or worsen the problem based on certain influences: it can cause diabetes, where the endocrine system has difficulty to maintain the correct blood glucose levels, you might have a problem producing heat from the nutrients you take in, it causes insulin secretion to be stopped, the plasma pH (blood pH) can be altered by respiratory changes in the partial pressure of carbon dioxide, and other systems may present problems as well.

Other systems may respond by, The digestive system, For example, it helps the body maintain equilibrium by providing nutrients to the body and ensuring factors like blood sugars are maintained. The endocrine system also uses antagonistic hormones such as insulin and glucagon to maintain body homeostasis, And Since body systems are interconnected, then if one system fails to maintain homeostasis, then the other body system will be affected and will also attempt to adjust. An example is an increase in temperatures of the body that will affect digestive system because the enzymes of the body should work optimally at body temperatures.

Bill Nye's demonstration of removing blocks from a tower likely aimed to illustrate physics concepts such as structural integrity, distribution of forces, and stability and balance through the visual and interactive element of the blocks' arrangement.

When Bill Nye was removing some of the blocks in his tower of blocks, he was likely trying to demonstrate principles related to physics, such as the structural integrity of designs, the distribution of forces, or the concept of stability and balance.

For example, by removing blocks from different parts of the tower, he may have been showing how forces are distributed throughout a structure and what happens when that distribution is disrupted. The demonstration would illustrate that certain blocks, much like certain elements within a physical system, play a critical role in maintaining the overall stability and integrity of the structure. When these are removed or altered, it can lead to a collapse or change in the structure's behavior. The lesson behind such an experiment is foundational in understanding concepts like center of gravity, load-bearing capacity, and the importance of proper material and design in architecture and engineering.

Answer:

dish soap, vegetable oil, lamp oil

Explanation:

The substances with higher densities will sink below than those with lower densities.

There are three substances namely oil, honey and water in which the oil with the lowest density floats on the top of the water but the honey with the highest density settles at the bottom.

Density is defined as the mass per unit volume of a substance where the symbol used for density is ρ, although the Latin letter D may also be used. Density is defined as mass divided by volume:

[tex]{\displaystyle \rho ={\frac {m}{V}}}[/tex]

where, ρ is density,

m is mass, and

V is volume

In the example above, the liquid is honey which is the densest liquid of the group that was analyzed where water is the second densest liquid analyzed which is heavier than oil and ethyl alcohol, and lighter than honey. Oil floats in water, which has a lower density than it does.

Thus, there are three substances namely oil, honey and water in which the oil with the lowest density floats on the top of the water but the honey with the highest density settles at the bottom.

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