Q: Which two basic parts of a plant develop tough outer coatings to protect the plant from the environment? A:

OPTIONS:
- roots and leaves
- stems and stalks
- bark and stems
- leaves and stems

Answer: leaves and stems

Problem: OPTIONS:
- trauma output
- blood output
- brain output
- cardiac output
Q: Q: The volume of blood each ventricle pumps per minute is called what? A:
Answer: cardiac output

Problem:OPTIONS:
- brown algae
- ferns
- grass
- green algae

Q: Name the plant considered to be the ancestor of plants? A:
****
A: green algae

Q: Glucose, fructose, and galactose are hexose sugars, which contain six atoms of what element? A:
OPTIONS:
- oxygen
- hydrogen
- nitrogen
- carbon
carbon

Q: What is essential for cellular respiration for all aerobic organisms? A:
OPTIONS:
- nitrogen
- water
- carbon
- oxygen

Answer: oxygen

input with options: Q: What component of cells is present in plant and bacterial cells but not animal cells? A:
OPTIONS:
- nucleus
- plasma
- mitochondria
- cell wall
output:
cell wall