Problem: OPTIONS:
- density
- volume
- velocity
- weight
Q: Q: What measures the force of gravity pulling on an object? A:
Answer: weight

Problem:OPTIONS:
- acid reaction
- mixture
- hypodermic reaction
- chemical reaction

Q: What is the name of the process that changes some chemical substances into others? A:
****
A: chemical reaction

Q: What do tube worms rely on for food? A:
OPTIONS:
- fatty microorganisms
- lentiviruses microorganisms
- sponges microorganisms
- chemosynthetic microorganisms
chemosynthetic microorganisms

Q: Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors? A:
OPTIONS:
- Cells
- organs
- enzymes
- hormones

Answer: hormones

Question: Q: Flatworms reproduce sexually. in most species, the same individuals produce both what? A:
OPTIONS:
- gametes
- heart and sperm
- diploid and haploid
- eggs and sperm
Answer: eggs and sperm

input: OPTIONS:
- sheath
- annulata
- soleus
- sarcolemma Now, answer this question: Q: The plasma membrane of a skeletal muscle fiber is called the what? A:
A:
output:
sarcolemma