Your cardiovascular system is made up of the heart and blood vessels (arteries, capillaries, veins).
A lot of abiotic factors are necessary to the ecosystem, such as temperature, water, sunlight ect. ect.
Without these factors, certain animal species would not be able to prosper, and once adapted living organisms, would fail to get needed resources.
There can also be a negative affect.
Abiotic factors directly affect how organisms grow and survive.
Hope it helps :)
Answer:
C
Explanation:
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of their ancestral function in a given species.