Why is the cell membrane described as semipermeable? A) It allows all molecules to enter and exit the cell.
B) It is used in photosynthesis and allows sugars to enter the bloodstream.
C) It is see through and scientists can view all cell activities occurring within the cell.
D) It allows only certain molecules to enter and exit the cell.

Which of the following are energy solutions that release pollution into the air>

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.