True or false photosynthesis occurs in the chloroplast in prokaryotes.

What is the correct definition of a species? A. A population of creatures who all look the same B. A population of creatures who are all the same size C. A population whose members are all the same color D.

A natural disaster destroyed a group of old buildings that contained toxic materials like lead paint Toxic materials contaminated the soil and water sources near the destroyed buildings.

Scientists capture and tag 10 dolphins. The next day, they capture another 10 dolphins in the same area. 8 of which are already tagged.

A depositional feature that forms where a stream enters a lake or an ocean is a A. natural levee. B. meander. C. delta. D. distributary.

Did dinosaurs exist at the same time as humans?

When no serologist available, what do states rely upon for experts?

Which features of the ocean floor are found in the open ocean? Check all that apply.

Jake has four pairs of horseshoe magnets in different sizes. He experiments by moving each pair farther and farther apart.

The small intestine is the pathway for chyme. What else does it do?

1. How do cells relate to your genes and how can cells differentiate into the specific body parts?