A student conducted an investigation to study gravitropism. The control group was planted normally, while the experimental group was

planted upside down. After seven days, the control group looked

normal. The experimental group after 7 days the roots started to grow

toward the direction of gravity.

Nucleus is the organelle that contains chromosomes

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.

When the sun hits the plant and the plant has water