Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
hello man sadly this was the last day that he had gone with his parents for the first period of time so I told them that they
Answer:
C. Different organs working together to do a job
Explanation:
Pretty self explanatory, sets of organs make up an organ system.
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Brainliest please?
a social group can be defined as two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity. Other theorists disagree however, and are wary of definitions which stress the importance of interdependence or objective similarity. Instead, researchers within the social identity tradition generally define it as "a group is defined in terms of those who identify themselves as members of the group."[3] Regardless, social groups come in a myriad of sizes and varieties. For example, a society can be viewed as a large social group.
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