Among given options, gastrulation and flagellated sperm are unique to animals. The synapomorphy distinguishing animals from choanoflagellates is differentiated multicellularity. The protist group most closely related to animals is the choanoflagellates.
Explanation:The characteristics unique to animals among the options listed are gastrulation and flagellated sperm. However, animals also have other distinctive attributes. The synapomorphy that sets animals apart from choanoflagellates, which are considered to be the closest living relatives of animals, is multicellularity with differentiated cells, although multicellularity itself is not unique to animals. As for the protist group most closely related to animals based on morphological and molecular data, it is considered to be the choanoflagellates. This is due to the striking similarity of choanoflagellates with the choanocytes of sponges (Porifera), the simplest animals.
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Jake wants to enrich the nitrogen content of his soil through fixation. Which crop can he use for this purpose?
Answer:
Alfalfa
Explanation:
Calcite and aragonite minerals that constitute clam shells are examples of which method of mineral formation?
The correct method of mineral formation for calcite and aragonite minerals that constitute clam shells is biogenic precipitation.
Biogenic precipitation is a process where minerals are formed as a result of biological activity. In the case of clam shells, the organism (clam) extracts calcium and carbonate ions from the surrounding water to form the minerals calcite and aragonite, which are both calcium carbonate (CaCO3) but have different crystal structures. These minerals are then deposited in an organized manner to create the hard, protective shell of the clam. This biological process is a key example of biomineralization, where living organisms produce minerals that often have specific functions, such as providing structure and protection.
List two ways that the cell moves things by active transport
What biodiversity restoration method can biologists follow to increase the density of trees and the canopy thickness in an area to recreate suitable habitats for wildlife and fight climate change?
biological augmentation
bioremediation
canopy fogging
hotspot protection
reforestation
Answer:
The Correct Answer is "Reforestation".
Explanation:
Reforestation is the genuine and intentional method of re-establishing remain forests that have been decreased by various human and natural activities such as deforestation and natural calamities.Reforestation develops the quality of human life by drenched up pollution and dust from the Air.Scientist and biologists use the reforestation method to increase the density and thickness of the trees and also plant more and more trees.
The simplest structured unit of a compound is a(n):
electron
atom
proton
molecule
Hippocampal cells that become active only when the subject is in particular locations are called spot cells. location cells. complex cells. place cells. simple cells.
The ______________ is the part of the brain that regulates breathing, heart rate, blood pressure, and reflexes.
Final answer:
The brainstem is responsible for the regulation of numerous vital functions, including breathing, heart rate, and blood pressure, with the medulla, in particular, overseeing these processes.
Explanation:
The brainstem is the part of the brain that regulates breathing, heart rate, blood pressure, and reflexes. This hindbrain structure controls automated processes critical for life, connecting the brain with the spinal cord. Within the brainstem, the medulla specifically oversees vital unconscious functions such as breathing, blood pressure, and heart rate. The brainstem also includes other parts like the midbrain and the pons, which together support a range of automatic functions necessary for our survival.
Vacuoles are ________. manufactured by ribosomes found only in plant cells composed of microtubules membranous sacs
Final answer:
Vacuoles are membranous sacs present in eukaryotic cells and are involved in storage and transport. They are distinct from ribosomes, which are not membrane-bound and are involved in protein synthesis. Vacuoles are prominent in plant cells but are also found in animal cells, albeit smaller and less permanent.
Explanation:
Vacuoles are membranous sacs essential for the storage and transport of substances within eukaryotic cells. They are enclosed by a single membrane and vary in function from one cell type to another. In plant cells, vacuoles play several roles, including maintaining turgor pressure, storage of nutrients, and waste products, and can contain enzymes that break down macromolecules. In contrast to vesicles, vacuole membranes do not fuse with other cellular membranes. Although vacuoles are present in some animal cells, they are more prevalent and larger in plant cells, often consolidating into a single large central vacuole as the plant cell matures.
Ribosomes, another cellular component often mistaken with vacuoles, are the sites of protein synthesis. However, unlike vacuoles, ribosomes are not membrane-bound and are composed of ribosomal proteins and RNA. They can be found attached to the endoplasmic reticulum or floating freely within the cytoplasm. It's clear that vacuoles are not manufactured by ribosomes, nor are they composed of microtubules. They have specialized functions that are crucial for the cell's viability and operation.
What cell parts are found only in plant cells? What are found only in animal cells? Use complete sentences.
Answer:
Plant cell parts are cell wall, chloroplast. Animal cell parts are centrosomes and lysosomes.
Explanation:
Animal and plant cells are eukaryotic cells but still shows many structural differences.
Plant cells contain chloroplast because they perform the process of photosynthesis. Animal cells lack chloroplast. Cell wall is present in plant cells and absent in animal cells.
Animal cells have centrosomes that helps in the formation of spindle fibers,. Lysosomes perform the process of cellular digestion in animals.
Thus, plant cells have cell wall and chloroplast whereas animal cells have lysosomes and centrosomes.
Cell parts which are found only in plants cells include the
following:
Cell wallChloroplast.Cell parts which are found only in animals cells include the
following:
CentrosomesLysosomes.What are Organelles?These are regarded as cell parts which are involved in various
activities in the cell.
Plant and animals have different cell parts as listed above due
to different biochemical activities which takes place within them
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In gluconeogenesis, during the postabsorptive state, amino acids and ________ are converted to glucose.
Which statement describes the role of the organism indicated by the blue arrow in the food web?
A. A primary producer that recycles organic molecules from sunlight
B. A secondary consumer that obtains its energy from the consumption of animals
C. A primary consumer that obtains its energy from the consumption of animals
D. A secondary consumer that recycles organic molecules by breaking them down
Answer:
B. A secondary consumer that obtains its energy from the consumption of animals.
Explanation:
The red-tailed hawk is a secondary consumer because it feeds itself on primary consumers those that eat plants, herbivores. Secondary consumers, by definition, obtain their energy from eating other animals. Secondary consumers are also usually the ones that stand on the second and above rows of a food chain, being the plants at the bottom and the primary consumers just above the plants.
Many dogs bark when unknown individuals approach their house. what type of interaction is this?
a. mutualism
b. predation
c. symbiosis
d. competition please select the best answer from the choices provided
Answer: The correct answer is- d. competition.
Competition can be described as a biological interaction between individuals belonging to same ( intraspecific) or two or more different species ( interspecific) for territory, food, and other resources.
Dogs bark at unknown individuals, when they approach their house. By this behavior, they exhibit defense for their territory. This behavior is exhibited because dog is fearful and perceives strangers as a threat to their territory.
Thus, option d) is the right answer.
How are hazards identified during mission planning?
Hazards are identified in mission planning through a process known as risk assessment, comprising of identification of hazards, assessment of risk, development of controls and evaluation of control effectiveness, with continuous evaluation ensuring effective hazard management.
Explanation:Hazards are identified during mission planning through a process known as hazard analysis or risk assessment. This involves reviewing all aspects of the mission, including its objectives, resources, and environmental conditions. It consists of four key stages: identification of hazards; assessment of risk; developing controls; and evaluation of control effectiveness.
For instance, if the mission is launching a satellite into space, potential hazards might include equipment failure, adverse weather conditions, or human error. Each of these risks is assessed in terms of its potential impact on the mission and the likelihood of its occurrence. Controls are then developed to help mitigate these risks, such as double-checking equipment, checking weather forecasts, and providing thorough training to all personnel involved.
Throughout this process, continuous evaluation is conducted to ensure that all identified hazards have been effectively managed, and the mission can be carried out safely and successfully.
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What product of the preparatory phase of glycolysis is required in the payoff phase, but at twice the concentration?
Asexual reproduction is not as widespread in (plants, animals) as it is in (plants,animals) .
Answer:
Asexual reproduction is not widespread in animals as it is in plants.
Explanation:
Animals are mostly undergoing sexual reproduction to get diverse genetic combinations that is essential for survival. It is also necessary for the population to adapt to the changes in their surroundings.
If it was asexual mode of reproduction, then the offspring needs to depend on mutations of the chromosomes to get the genetic diversity. But it is known that for mutation to happen it takes a long time or it does not happen often.
Hence, animals with asexaul mode are found to be at disadvantage that those with sexual mode of reproduction.
Asexual modes of reproduction is widespread in plants.
HELP ENVIRONMENTAL SCIENCE!!!!!!!!!!!
What was the most important result of the meireki fire of 1657 in edo?
a) it decreased the population of the city, thereby reducing timber demand
b) it cleared large tracts of the city for agriculture
c) it caused the ruling class to realize the dangers of deforestation
d) it decreased competition between the daimyos for resources
Option C i.e It caused ruling class to realize dangers of deforestation is the correct answer.
Meireki fire of 1657 in Edo caused huge loss of lives and two-third of the city got completely destroyed.
The most important result of the fire was that the ruling class realized the dangers of deforestation and began to make laws for the protection of forests and trees.
Difference between ancestral and derived traits
Why does sexual reproduction result in more genetic variation than asexual reproduction?
In a 3-year-old with fever, which occurrence might precipitate a febrile seizure?
Final answer:
A febrile seizure in a 3-year-old with fever can occur due to a rapid increase in body temperature, often as a result of an infection such as the flu or an ear infection. Most febrile seizures are short and not indicative of long-term problems, but they can sometimes signal an underlying condition like epilepsy.
Explanation:
In a 3-year-old with fever, febrile seizures may precipitate due to the sudden spike in body temperature often associated with infection. Febrile seizures are most common in young children between the ages of 6 months and 5 years and can occur when a child's temperature rises quickly. Common infections that might lead to a fever and subsequently a febrile seizure include influenza, ear infections, or after immunizations. However, it's important to note that not all fevers in children will lead to seizures, and most febrile seizures are relatively short and don't typically lead to long-term health problems. Nonetheless, in some cases, seizures in young children may indicate an underlying condition, such as epilepsy, especially if they recur without a fever or are of a specific type or duration.
Seismic waves and water can weaken soil, causing it to move. This is called _____.
A.flooding
B.liquefaction
C.seismic shifting
D.earthquake erosion
this is called LIQUEFACTION
The correct answer from these choices is liquefaction.
Changes in a person's height and weight during middle adulthood are accompanied by a decline in
Why is cellular respiration important to the biosphere?
An episodic narrative involves parts which are not closely interrelated.
The majority of damage caused by volcanoes is from lava flows. T or F
What characteristics of organisms older than 540 million years ago makes fossils?
Why are 90% of sexually ambiguous newborns assigned to the category of "female" in societies with advanced medical technology?
Which action in the biology laboratory would be most likely to result in an accident?
Answer:
C,throwing a test tube at another student
Explanation:
One difference between mitosis and meiosis is:
A. Mitosis produces cells genetically identical to the parent cell, but meiosis does not
B. Mitosis produces more daughter cells than meiosis
C. Mitosis produces haploid cells, but meiosis produces diploid cells
D. Mitosis requires only one parent cell, but meiosis requires two parent cells
Mitosis divides a parent cell into two identical daughter cells, each of which has the same amount of chromosomes. Meiosis, on the other hand, creates four distinct daughter cells, each of which has half as many chromosomes as the parent cell.
Answer : A, B
Does mitosis result in cells that are exactly like the parent cell?Daughter cells that are genetically identical to their parent cells are created during mitosis. The cell divides its copied chromosomes equally to ensure that each daughter cell has a full set before copying, or "replicating," its chromosomes.
A single cell divides into two identical daughter cells during the process of mitosis (cell division). facts Describe meiosis. A single cell splits twice during the meiotic process, resulting in four cells with half the original genetic material.
Despite being all haploid, the gametes created during meiosis are not all genetically identical.
The nuclei produced from meiosis are not genetically identical and they carry one chromosomal set only. This is half the number of chromosome sets in the initial cell, which is diploid.
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Assume all organisms scale isometrically. let l and m denote the length and body mass of an individual, respectively. as cross-sectional area of a muscle is proportional to _______ and l is proportional to _______, we have that strength is proportional to _____.
As cross-sectional area of a Muscle is proportional to __L2_____ and l is proportional to __M1/3_____, we have that strength is proportional to __M2/3.___.
Isometric scalingIsometric scaling is the preservation of proportional relationships even as size of organisms changes through growth
Since it is assumed that all the organisms scale isometrically and also Given that L denotes the length and m denotes body mass of an individual the cross-sectional area of a muscle is proportional to L2 while I is proportional to M1/3 and the strength will be proportional to M2/3.
Hence we can conclude that As cross-sectional area of a Muscle is proportional to __L2_____ and l is proportional to __M1/3_____, we have that strength is proportional to __M2/3.___.
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PLZ HALP!!! What happens during interphase that allows the two resulting cells to be the same as the original cell?
Answer:
Inter phase is the resting phase between two cell cycles
Explanation:
The inter phase is the longest phase in the life cycle of a cell and is also known as resting phase of the cell in which the cell performs the following activities -
a) Cell acquire nutrients
b) Cell creates proteins and other molecules and uses them
c) Cell also starts replicating DNA molecule
c) Cell starts preparing for the process of cells division
There are three stages in a cell cycle -
a) Gap 1 phase
b) Synthesis phase
c) Gap 2 phase
The major function of inter phase is to prepare cell for cell division.