A breeder wanted to create a new variety of potatoes that produces more of the vitamins found in the roots of carrots than in typical potatoes. This method of selective breeding would be most likely used by the breeder.a. inbreeding
b. hybridization
c. hand pollination
d. genetic engineering

NEED HELP DUE TODAY PLZ HELP ME!!!!A scientist is trying to identify an unknown cell.

He determines that it has a nucleus and lysosomes. It also contains a cell membrane, but does not have a cell wall.

What type of cell is the scientist most likely looking at?

Choose 1 answer:

(Choice A)
A
Bacteria

(Choice B)
B
Plant cell

(Choice C)
C
Fungal cell

(Choice D)
D
Animal cell

Which of the following processes releases energy to be used by a cell?A. a phosphate group is added to atp to form adp.
B. a phosphate group is added to adp to fprm atp
c. a phosphate group is removed from adp to form atp
D. a phosphate group is removed from atp to form adp

4. In an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based ona. inheritance of natural variations
b. inheritance of acquired characteristics
c. natural selection
d. survival of the fittest

5. Charles Darwin called the ability of an organism to survive and reproduce in its specific environment
a. diversity
b. fitness
c. adaption
d. evolution

6. Similar patterns of embryological development in different but related organisms are responsible for the formation of
a. homologous structures
b. analogous structures
c. Hox genes
d. intermediate fossil forms

7. If an allele makes up one half of the frequency of a population's allele for a given trait, its allele frequency is
a. 100 percent
b. 75 percent
c. 50 percent
d. 4 percent

8. The frequency of phenotypes for a typical polygenic trait is most often illustrated as
a. a scatter plot
b. a bell-shaped curve
c. a pie chart
d. a histogram

9. Which of the following events do biologists consider a random change?
a. directional selection
b. speciation
c. disruptive selection
d. genetic drift

10. Which of the following statements defines the members of a species?
a. They are temporarily isolated from each other
b. The are geographically isolated from each other
c. They mate and produce offspring
d. They have identical genes

Unlike weather, climate

You would expect to find ________ in an ecosystem.only abiotic factors
only biotic factors
biotic and abiotic factors
all the exotic factors

Where is the carbon taken in by plants during photosynthesis stored?a. the ground
b. plant structures
c. the air
d. all of the above