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nadezda [96]
3 years ago
7

Describe the advantage of an excretory system for terrestrial animals

Biology
1 answer:
yaroslaw [1]3 years ago
7 0
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
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What is the mechanism that allows species to change over time?
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Answer:

evolution

Explanation:

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Researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. The robo
Lady bird [3.3K]

Answer:

Tissue

Explanation:

A cell is a structure formed during the evolution which contained all the molecules and favourable conditions required to survive and therefore acts as the functional and structural unit of life.

In evolution, more than one cell aggregated together to form a structure which could perform much complex function than a single cell called tissue as they are programmed to perform the same function.

In the given question, since the heart cells worked together to cause movement in the robot therefore the cardiac cells formed cardiac tissue or heart.

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3 years ago
Which of the following best describes a consequence of using a renewable energy source?
densk [106]

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Solar power is expensive and requires a large amount of space.

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Neurotransmitters transmit ____________ between ____________ , from neurons to glands, from neurons to organs, and from neurons
astraxan [27]

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For example, neurotransmitters are released into the synaptic cleft to transmit the nerve impulse between neurons.  

3 0
3 years ago
If 100,000 kJ of energy is available to the producers, how much energy is available to the secondary consumers in this food pyra
spayn [35]

If 100,000 kJ of energy is available to the producers, 1000 energy is available to the secondary consumers in this food pyramid.

<h3>What is 10 law of energy flow explain?</h3>

According to ten per cent law only 10 per cent of the energy entering a certain trophic level of organisms is known for transfer to the next higher trophic level.

Thus, 1000 energy is available to the secondary consumers in this food pyramid.

To learn more about energy transfer click here:

brainly.com/question/1249777

#SPJ1

8 0
2 years ago
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