If having no natural predators increases potential to produce more offspring than the environment can support, then having what increases the potential to produce more offspring than the environment can support? Answer choices: - no natural habitat - no natural prey - competing for resources - peachleaf willow - no natural owners - members of their own species - animals with backbones - no natural predators
no natural predators

If sustained contraction of large muscles increases a body's strength, then sustained contraction of large muscles in a body leads to what? Answer choices: - rapid expansion - increased body hair - prolactin release - recovery time from fatigue - increased IRA balance - increased pupil dilation - increased body strength - staying warm
increased body strength

Q: If insects have a life cycle that includes sexual reproduction, then what do insects do during their lifespan? Answer choices: - Decay - Eat birds - allow growth - survive - Reproduce - Get a job - movement - Change colors
A: Reproduce

Question: If all animals are fed by others, then all animals are what? Answer choices: - fed by hand - homogenous - fed by others - parasites - fed red meat - fed whole grains - important habitats - insects
Answer: fed by others

*Question*
If timing is critical when a sperm and an egg fuse, then when is timing critical? Answer choices: - for gravity - Warm air moving into cold air - earth's orbit - when sperm and egg fuse - flow of electrons - earth's rotation - Earth revolving around the sun - movement of tectonic plates
**Answer**
when sperm and egg fuse

(Question)
If some viruses can be fatal, then what can be fatal? Answer choices: - Electric devices - smoking cigarettes - smoking - magic - Good will - laughter - Some viruses - Pesticides
(Answer)
Some viruses