If this is a true/false question, the answer is true. oxygen and co2 exchange happens at the capillaries.
Answer;
A.) a law
Explanation;
-A law is a statement based on repeated experimental observations that describes some phenomenon of nature. Proof that something happens and how it happens, but not why it happens.
- A Theory is a well-substantiated explanation acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.
-A Hypothesis is a proposed explanation for a phenomenon made as a starting point for further investigation.
here are a few. frogs, snakes,toucans ,lizards
Answer:
a video that shows penguin species that have different mating dances
Explanation:
The question is incomplete as it does not have the options which are:
- a video that shows a large river that has penguin populations on both sides
- a video that shows penguin species that have different mating dances
- a video that shows a penguin that is laying eggs
- a video that shows penguins in a tidal pool and an open ocean
Answer:
a video that shows penguin species that have different mating dances
<em><u>The reproductive isolation is the factor which allows the species to evolve and form a new species, therefore, this factor is used to describe a species.</u></em>
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<em><u>The reproductive isolation refers to a mechanism in which the species are isolated to not interbreed with the individual of other species. The reproductive isolation could be due to behavioural, psychological, physical or genetic differences. evolved as an adaptation.</u></em>
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<em><u>In the given cases, the penguin species which shows different mating dances is considered to be reproductively isolated as the different dance rituals evolved as behaviour to prevent them from mating.</u></em>
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<em><u>Thus, the selected option is correct.</u></em>
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The amount of stuff that an ecosystem