Cells differentiate because they need to become specialized. which is an not example below of how specialized cells have unique structure and function nerve cells have dendrites and axons, giving them a “pathway-like” shape which can be used to send and receive signals. bacteria cells are small in size in order to easily diffuse in and out of the cytoplasm. muscle tissue is shaped differently than skin tissue because muscle cells have to expand and contract. eyes are composed of rod and cone cells which change shape to allow light to move in and out of cells.

1. which statement is true regarding monocytes? a. they digest pathogens. b. they produce antibodies against cancerous cells. c. they have a granular appearance under a microscope. d. they produce antibodies against microorganisms.

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?

Which type of respiration takes place when there is no oxygen present