According to Darwin, natural selection is based on the ___found in populations.

A. acquired characters

B. variations

C. weakest members

D. similarities

serves as a selective barrier for the cell, meaning that it allows some things to pass into or out of the cell but not others.

A normal plant cell holds water in the vacuole of the cell. This large organelle also gives the cell support. Suppose a plant is submerged in salt water. As a result, the vacuoles collapse and the leaves wilt. This condition is called plasmolysis.

What type of inheritance pattern is a mixture if both traits

Explain how nutrients affect disease prevention and management. make your answer specific with examples. link the nutrient or nutrients you discuss to a condition. (for example, vitamin c deficiency is linked to scurvy.

Describe what happens in mitosis

What does a d u k a r y o t e have that a prokaryote does not

In The US - Which states had the clearest skies

A 25-year-old client at 22 weeks' gestation is noted to have proteinuria and dependent edema on her routine prenatal visit. which additional assessment should the nurse prioritize and alert the rn or health care provider?

Vitamin D-3 is synthesized in the skin in response to sun exposure. Question 5 options: a. True b. False

Which is an abiotic factor that affects a freshwater ecosystem? A. The number of fish B. The competition for food C. The amount of light D. The number of predators