Which situation demonstrates causation? (1 point) A change in one variable produces a change in the other.

Two variables increase at the same time.

One variable increases while the other decreases

Two variables decrease at the same time

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.