Historically, the population of california condors probably numbered in the thousands of birds. however, because of human use of pesticides, hunting, and habitat destruction, the population declined to no more than 13 individuals. now, to captive breeding, reintroduction programs, pesticide control, and habitat preservation, the population is increasing in size. what would you predict would be the primary difference in numbers of alleles per locus and allelic frequencies in the prehistoric versus modern (recovered) populations of condors?

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?

List five ways we are indebted to phytoplankton

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?