D because your calf muscle is under your knee in back to if it’s already built up and can go to the heel bone because the calf muscle is connected to the heel bone
Because the environment is faster then the squrrel has to find stuff for the nest and a safe spot
Answer:
point mutation, change within a gene in which one base pair in the DNA sequence is altered. Point mutations are frequently the result of mistakes made during DNA replication, although modification of DNA, such as through exposure to X-rays or to ultraviolet radiation, also can induce point mutations
Answer: 3. They were born of one fertilized ovum.
Explanation: A zygote is formed
when an egg is fertilized by a sperm. The zygote then undergoes a mitotic division into two and each half will further develop into a separate embryo. The two embryos formed will develop into identical twins.
Answer:
What stages of aerobic respiration needs oxygen to happen?
The Krebs cycle and the electron transport system
