Answer:
because they form a single zygote.
Answer:
The population size grow /can grow
Food chewed by teeth breaks into small pieces, and is mixed with saliva during chewing.
Answer:
<u>B) introduction of a non-native animal species</u>
Explanation:
The introduction of invasive species within an ecosystem can result in irreversible, permanent and long-term instability of most ecosystems. The other answer choices are natural occurrences that seldom result in a long period of instability.
i think its c b/e icland is situated in the top of a multiple volcanoes and harnesses this natural power to heat the roads and sidewalks in the winter