If the color of leaves on oaks usually changes in the autumn season, then what usually changes in the autumn season? Answer choices: - Something that can be auburn - looseness of dirt or compost - the looseness of soil - the color of leaves on oaks - a hemisphere is tilted away from the sun - Warm air moving into cold air - the male sex cells of plants - The bending of a ray of light
the color of leaves on oaks

If behaviors that improve traits that relate to an animal's ability to survive and reproduce increases through natural selection, then behaviors increase through what that improve traits of animal's ability to survive? Answer choices: - competition - hunting - biological diversity - the environment - eating - produce offspring - natural selection - grooming
natural selection

If meiosis is the type of cell division that produces sex cells, then what is the type of cell division that creates sex cells? Answer choices: - ligt - babies - pollen - meiosis - ice - blood - mitosis - complex
meiosis

If electrical currents can cause objects to repel each other, then which of the following can cause objects to repel each other? Answer choices: - electromagnetic energy - mass - Electrical energy - gravitation - electrical currents - photosynthesis - the Great Barrier Reef - electricity
electrical currents