Biology, 24.03.2021 15:20 cowsareawesomeness
Yesterday I went on a trip to the beach. I saw several different organisms. First I saw a sea sponge. It had a body that was not symmetrical at all, which is (1). It also belongs to group of animals called (2)as they have no backbone. The sponge feeds by (3) food out of the water. This means it separates the food from the water. Then I saw a sea star that has a body with many lines of symmetry that pass through a central point called (4). I also saw a crab that has a body that is divisible into two mirror parts by a central line called (5). It also has an external skeleton or a (6). I caught a shark which controls its body temperature by external means making it a (7). The shark is a (8) or has a backbone. It also has an internal skeleton called a (9). It was a very chilly day so I am glad I am a (10) which means I control my temperature by internal means.
Answers: 2
Biology, 22.06.2019 09:00, idk8348
The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.
Answers: 2
Biology, 22.06.2019 11:00, danielmartinez024m
1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis
Answers: 1
Biology, 22.06.2019 21:00, emmaraeschool
Do plants make food in their stems flowers roots or leaves?
Answers: 2
Yesterday I went on a trip to the beach. I saw several different organisms. First I saw a sea sponge...
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