Problem: OPTIONS:
- Epididymis
- Prostate
- ovaries
- testes
Q: Q: Spermatogonia are the stem cells of what male sex organs? A:
Answer: testes

Problem:OPTIONS:
- birds
- mammals
- reptiles
- amphibians

Q: What were the first animals to have true lungs and limbs for life on land? A:
****
A: amphibians

Q: Generally speaking, electronegativity values ______ from left to right across a row in the periodic table and _______ down a column. A:
OPTIONS:
- reverse, descend
- move, fall
- decrease, increase
- increase, decrease
increase, decrease

Q: Most autotrophs make their "food" through which process, using the energy of the sun? A:
OPTIONS:
- glycolysis
- atherosclerosis
- oculitis
- photosynthesis

Answer: photosynthesis

Question: Q: Sediments in oligotrophic lakes contain large amounts of what? A:
OPTIONS:
- algae
- fertilizer
- igneous rocks
- decomposable organic matter
Answer: decomposable organic matter

input: OPTIONS:
- vision
- tasting
- feeling
- hearing Now, answer this question: Q: In most animals, what sense is related to balance or equilibrium? A:
A:
output:
hearing