In an embryo, the formation of many types of

tissues and organs occurs as a result of the

process of

(1) fertilization

(2) genetic sorting

(3) differentiation

(4) gene recombination

Matt is a tall, eleven year old boy. he has a scar on his right cheek. he is intelligent and an excellent drummer. which of his traits did he most likely inherit

Birds that do not receive adequate nutrition during development sing less often and for shorter periods of time as adult birds.

What are cells surrounded by

Match the items on the left with the best corresponding statement on the right. 1. contains tightly packaged DNA molecules R. C. Punnett 2. the person who experimented with four o'clocks DNA 3.

The amount of sebum produced by the sebaceous glands varies based on question 15 options: a. weight, age, and gender. b. pregnancy, age, and puberty. c. weight, stress, and gender. d. menopause, age, and weight.

Scientists think that chimpanzees and gorillas share a common ancestor. Today, it is not possible for a chimpanzee and gorilla to mate and produce fertile offspring. What is this an example of? A. succession B. natural selection C.

The sense organs associated with equilibrium are within the

Which of the following is fact based science rather than a part of a personal belief system

If a mother carries a recessive allele for a genetic disorder such as cystic fibrosis under what circumstances will her children inherit the disorder

Explain how compaction is important in the formation of coal