If changes in DNA sequences are essential for evolution to occur, then what is essential for evolution to occur? Answer choices: - Changes in DNA sequences - Plant reproduction - Natural disasters - Gamma radiation - biological diversity - DNA sequences staying the same - the environment - that material's properties
Changes in DNA sequences

If lymphocytes are small, then what size are lymphocytes? Answer choices: - small - PDAs - massive - dense - white - huge - CO 2 - large
small

Q: If cats can communicate with sounds, chemicals or visual cues, then what can communicate with sounds, chemicals, or visual cues? Answer choices: - sound waves - bears - sheep - humans - sun rays - clouds - Birds - cats
A: cats

Question: If animals have insulation to stay warm, then how does insulation help animals? Answer choices: - stability - morality - sharks - fur - survive - electrical conductivity - fibers - warmth
Answer: warmth

*Question*
If machines operated by windpower convert wind energy into electricity, then what converts wind energy into electricity? Answer choices: - clouds - mechanical waves - windpower operated machines - Movement of an air mass - solar panels - Warm air moving into cold air - batteries - tectonic plates being pushed together
**Answer**
windpower operated machines

(Question)
If earthworms ingest sediment and extract food particles from soil, then earthworms ingest sediment and extract what from soil? Answer choices: - Organic compounds - harmful substances - Energy. - food ingredients - h2o - bioaerosols - food particles - carbon
(Answer)
food particles