Ques: If roundworms make important contributions to soils, then where are roundworms useful in an ecosystem? Answer choices: - killing animals - soils - fields - bacteria - eating plants - wetland - food - alveoli
Ans: soils

Ques: If being near the sun can cause an object to combust, then what can being near the sun do to an object? Answer choices: - Dehydration - freeze it - regenerate it - heal it - combust it - Change colors - heating liquids - protect them
Ans: combust it

Ques: If squids are a food source for humans, then what is a food source for humans? Answer choices: - trees - sugar - carbon dioxide - squid - rocks - plants - dirt - animals
Ans: squid

Ques: If plants attract bees with the color of their flowers, then plants attract bees with what? Answer choices: - male gametes - organic molecules - sense organs - fertilization occurs - circulatory systems - color of their flowers - smell and taste - Chemical energy
Ans:
color of their flowers