The answer is A: Double Helix
Answer:Which best describes the lower body structures of humans and chimpanzees? The big toes of humans and chimpanzees are enlarged. The human foot has two arches, but the chimpanzee foot only has one.
Explanation:please give brainliest
I believe it is the 'negative feedback mechanism'
Hope this answers your question.
Answer:
Blank 1: lymph
Blank 2: interstitial
Explanation:
Lymphatic system has fluid called lymph and before it becomes lymph it comes from gaps between capillaries called interstitial spaces and its fluid called interstitial fluid.
Answer: All birds are warmblooded, or endothermic, animals. Birds are vertebrates because
they have backbones. All birds have a four-chambered heart, a
characteristic they share with mammals. All birds lay hardshelled eggs. Birds have only two legs. Their forelimbs have
become modified into wings for flying. All modern birds evolved
from ancestors that could fly.
Explanation:
