The transfer of food through a series of organisms by eating and being eaten is called a food chain.
Answer: Vernal equinox(about March 21): day and night of equal length, marking the start of spring. Summer solstice (June 20 or 21): longest day of the year, marking the start of summer.
vernal = spring
solstice = summer
The correct answer is indicator species.
The answer is a. plant cells have cellulose and animal cells don't.
An exoskeleton is the outer skeleton of an animal to protect them. An exoskelton is also called a shell.