"what event most likely produced the changes that occurred in the wild plant ancestor?
(1)mutations in wild mustard sex cells were passed on to offspring.
(2)humans did not like to eat wild mustard.
(3)competition for survival occurred in all ecosystems of the world.
(4)ancient herbivores overgrazed wild mustard."

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 class of levers is shown in this image?

In this picture, groups of pigment that capture light energy are located on the