Problem: OPTIONS:
- muscle
- cardiovascular
- digestion
- immune
Q: Q: What system of the body can specifically protect you from pathogens and other things that might make you ill? A:
Answer: immune

Problem:OPTIONS:
- hydrostatic
- Phototrophic
- osmotic
- endothermic

Q: What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature? A:
****
A: endothermic

Q: Like acetic acid, pentanoic acid is what kind of acid? A:
OPTIONS:
- hydroxyl
- carbonic
- amino
- carboxylic
carboxylic

Q: Lobsters are what kind of food source? A:
OPTIONS:
- combination
- mollusc
- sauropod
- arthropod

Answer: arthropod

Question: Q: What does the activity of an organism depend on the totality of? A:
OPTIONS:
- interdependence
- adaptations
- chemical attraction
- independent cells
Answer: independent cells

input: OPTIONS:
- magnesium
- nitrogen
- calcium
- hydrogen Now, answer this question: Q: An important chemical compound, which supplies living things with the energy they need to survive, is composed of carbon, oxygen and atoms of what other element? A:
A:
output:
hydrogen