Are chemical

substances necessary for an

organism to be healthy and

survive.

A. Resources

B. Nutrients

C. Energy

What would happen if prey were removed from the food web? The population of predators would decrease. The population of predators must stay the same. The population of predators would fluctuate. The population of predators could increase.

What is a polymorphic trait? Provide two examples of polymorphic traits in modern humans, and give one example of a monomorphic trait.

A parochial species of butterfly lays its eggs on only type of lupine flowe. What would be a likely result if pesticides sprayed of these lupine that pollinate the flowers

1. Which of the following gives sexual reproduction an advantage over asexual reproduction? A. Sexual reproduction happens more quickly than asexual reproduction. B. Sexual reproduction often requires two parents to be present. C.

Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The flower color trait in radishes is an example of which of the following? A. Codominance B.

Diferencias y semejanzas entre una serpiente y una mosca

What equation is used to determine the gene frequency for a given gene in a population?

What are the two stages of protein synthesis and in which stage are proteins actually synthesized?

Which of the following types of reproduction is evolution observable? Asexual Sexual Detrimental Analogous

If the climate is the long-term average of weather, how can climate change?