If plants are multicellular eukaryotes with cell walls composed primarily of lignin, then plants are multicellular eukaryotes with cell walls composed primarily of what? Answer choices: - protein - plants - leaves - chemicals - Energy. - lignin - eukaryotes - Energy
lignin

If forests naturally keep carbon, then forests naturally keep what? Answer choices: - ants - fish - carbon - ferns - firs - rainfall - heat - protected
carbon

Q: If biology is the science of things with cells, then what is the study of things with cells? Answer choices: - etomology - properties - cell towers - disease - animals - archaelogy - biology - fungi
A: biology

Question: If animals learn to behave to increase chances of survival, then why do animals learn to behave? Answer choices: - exercise - survival - anger - no reason - environment - emotion - ligt - allow growth
Answer: survival

*Question*
If snails have no backbone, then what has no backbone? Answer choices: - chimp - snail - bats - insects - monkey - sharks - coward - salmon
**Answer**
snail

*Question*
If roots grow away from a light source, then what grow away from a light source? Answer choices: - stems - roots - buds - fungus - cacti - flowers - fens - salmon
**Answer**
roots