Which are sources of adult stem cells? Check all that apply.

1. bone marrow

2. amniotic fluid

3. brain

4. gametes

5. liver

6. embryo

Ponds and lakes can be natural or manmade. T or F

Gastroparesis is a condition that causes a partial paralysis of the stomach. The stomach has reduced ability to contract to move food through the digestive system.

Which of these is a dividing zone that protects the roots as they grow into the soil?

What part of genes control a trait

Which producers can be found in the polar ice regions?

In what part of cell does replication occur

What factors influence the impact a population has on its environment?

What kind of bonds form between the oxygen atoms of one water molecule and the hydrogen atoms of another water molecule

Salamanders brought into a new ecosystem that is colder than its all ecosystem the salamander cannot survive in the cold temperature in days which is the best way to describe a salamander in the new ecosystem

Trace a drop of blood from the left atrium to the left hallucinating and back to the right atrium