Which examples describe how a bear will overcome the challenge of maintaining its structure?

choose all answers that are correct.

a.

the bear's wound will heal after an injury by forming a scab.

b.

the bear will go into hibernation when winter arrives to preserve energy and heat.

c.

the bear will reproduce.

d.

the bear will defend itself against threats.

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