A researcher was studying mutations in bacteria. He found that certain bacteria had changes in their DNA that allowed them to be resistant to antibiotics. This research is an example of 1._______The mutation will lead to 2.________.1.
A.Embryology
B. Evolution Genetics
C.Comparative Anatomy

2.
A. All the bacteria becoming resistant to the specific Antibiotics
B. The Bacteria becoming nonresistant to specific Antibiotics
C. Less Bacteria becoming resistant to the specific Antibiotics

Animals conduct certain behaviors in mating. Some practice _____, in which one male breeds with only one female, and others practice _____, in which one male breeds with multiple females.

Which statement about plants cells is MOST accurate?A) Plant cells take in nutrients by phagocytosis.
B) Plant cells do not need nutrients since they make their own food.
C) Plant cells get nutrients through the decomposition of organic matter.
D) Plant cells, like animal cells, take in small molecules through the cell membrane.

What part of a flowering plant becomes fruit? seed ovary stem spore

Horses and tapirs have a common ancestor, but they now look very different from one another. Horses are now grassland animals adapted for grazing on grass and shrubs. Tapirs are jungle animals that live in dense forests and eat fruit, leaves, and aquatic vegetation. Which of the following led to the development of such differences in the two species?A. Selective breeding
B. Convergent evolution
C. DNA hybridization
D. Natural selection

Unlike gradualism, punctuated equilibrium involvesa. a slow change in evolution over time.
b. stable periods of change interrupted by rapidly occurring change.
c. a steady change in evolution over time.
d. species that are said to be in equilibrium. Student Answer: C

Cotton, used to make clothes, shoes, blankets, etc., comes from a plant.A. True

B. False