Forest fires can burn down all of the trees and plants living in an area. however, new growth can spring from the decaying organic matter left behind. what is the gradual, sequential regrowth of a community of species after a forest fire? *

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?