Which of the following is not a factor that affects photosynthesis?

A substance that enters Earth's cycles and does harm to living things is a. a pollutant. b. hydrogen. c. freshwater. d. oxygen.

What would be the expected frequencies of the homozygous dominant, heterozygous, and homozygous recessive (in that order) after 100 generations, assuming that no selection or other evolutionary processes are operating?

Which of the following statements provides the best scientific evidence that chimpanzees and rhesus monkeys come from a common ancestor? A. They live in similar habitats. B. They exhibit similar behaviors. C. They have similar nutritional needs. D.

Are bones made of cartilage and ligaments

Which description explains how inertia changes the effects of gravity on objects in the solar system? keeps the Sun stationary pulls asteroids toward Earth causes shooting stars to stop moving prevents planets from pulling into one another

Why DNA must unzip before it can be copied.

Dna is a polymer, which means that is made up of many repeating single units (monomers). what are the monomers called?

Which is biotic? a. wind b. iron gate c. sunlight d. dead leaf

Place the following events in order to sequence the evolution of life on Earth. (A) Prokaryotes (B) Land Plants (C) Multicellular Eukaryotes (D) Single-celled Eukaryotes (E) Formation of Earth A, E, D, C, B E, A, D, C, B B, C, D, A, E E, D, C, A, B

What is the function of the cardiac conduction system?