Must be a comet I believe
1.) A persons genes are found in their chromosomes. The correct answer is D, your chromosomes. The correct answer is D.
2.) The shape of DNA is called a double helix. The strands run opposite each other and twist together. The correct answer is B.
3.) The relationship between a chromosome and DNA is that chromosomes are made of DNA. The correct answer is A.
4.) One thing that parents pass on to their offspring is genes. For example, hair color, eye color, skin color. The correct answer is A.
B. Because the environment can not supply for the food and caring of the animal species that is growing larger.
I believe it’s C! I’m not sure but i think it might be c.
The beginnings of a brain first become apparent around four weeks after conception when the neural plate folds to form the neural tube