Mitochondria is the correct answer
The two animals which use echolocation are bats and dolphins.
Both hunt their prey by articulating high-pitched sounds and listening for the echoes.
<h3>What is echolocation?</h3>
Echolocation is a method used by bats, dolphins and other animals to select the location of objects using reflected sound. This allows the animals to move around in pitch darkness, so they can guide, hunt, identify friends and enemies, and avoid obstacles.
Thus, bats and dolphins are two animals that use echolocation.
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Answer:
Answer is true.
Explanation:
That calories that remain when the amount of nutrients required by the body are met is the discretionary calories.
These calories are good and essential because they are useful to the body when it is in need of calories, usually after exercise or rigorous work.
They are derived from foods that are rich in fat, such as cheese, milk, yoghurt etc.
<u>Answer</u>: c. Carrying capacity is the maximum population size required for a particular species in a particular area to survive.
<u>Explanation</u>: this is an average population density level. If the population density is above this level, the number of individuals will decrease. If the population density is under this level, the number of individuals will increase until the carrying capacity is reached once more.