Answer:
d. They are often keystone species
Explanation:
Top predators in an environment are the largest predators and sits on the top (apex) of the food chain in an ecosystem which do not have any natural predators.
As the top predators relative to its abundance has disproportionately large effect on its natural environment, they are the keystone species most of the time.
Hence option d. They are often keystone species is the right option.
um i believe its the skin cell?
Answer:
Frameshift mutations change the entire protein sequence and messes up the entire amino acid sequence that occurs after mutations, but substitution only changes one single amino acid.
Yes when fossil fuels are burned they release the carbon dioxide locked inside of them
that is why fossil fuels are a big source of global warming and we will eventually run out of fossil fuels
A : DNA in the nucleus of the egg controls all cell activities
