short wavelength = high frequency = high pitch
long wavelength = low frequency = low pitch
Answer:
A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web.
Explanation:
native plant and animal populations interacting in balance with each other and nonliving things (for example, water and rocks). Healthy ecosystems have an energy source, usually the sun. ... Decomposers break down dead plants and animals, returning vital nutrients to the soil.
4 conditions are needed.
Reproduction
Heredity
Hight rate of population growth
Differential survival and reproduction
The first on is Metaphase the middle one is anaphase and the last one is photo phase. Hope it helps:)