Which description fits with the term biomass? Choose the correct answer. O the producer-to-consumer ratio in an ecosystem
O the mass of all living things on Earth
O the unused material excreted as waste in an ecosystem
O the mass of the living and dead organisms in a given area

Whay is the following best defines climate

The negative impacts of nonnative species generally outweigh the positive impacts

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing