Which of the following is an example of an ecosystem?
O
A. All of the living and nonliving things that interact in a forest
O
B. All of the squirrels that live in a forest, as well as the water, air, and
living things the squirrels need to survive
O
C. All of the plants and animals that live in a forest
D. All of the squirrels that live in a forest

Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***