Answer:
a. Directional selection favors one end of the phenotype distribution, whereas
stabilizing selection favors intermediate over extreme phenotypes
Explanation:
Directional selection is called directional because it favors one phenotype over another, and stabilizing selection finds a balance between phenotypes.
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
Answer:
There are 4 main types of skin cancer:
Basal cell carcinoma. Basal cells are the round cells found in the lower epidermis. ...
Squamous cell carcinoma. Most of the epidermis is made up of flat, scale-like cells called squamous cells. ...
Merkel cell cancer. ...
Melanoma.
Explanation:
B.
Viruses are classified as biological agents instead of a living things, $& they are only made of genetic material.
Answer: The correct answer is D
C Hypertonic
Explanation:
