Which is an example of earth’s conditions slowly changing?
a. meteors striking
c. continents moving
b. volcanoes erupting
d. a mass extinction

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Wich level of organization includes all the other levels or organizations