Biology, 11.02.2020 02:45 jay3676

Which of the following characterizes a symbiotic relationship? A. a close interrelationship where both species benefit B. a close interrelationship where one species benefits and the other is not affected C. a close interrelationship where one species benefits and the other is adversely affected D. an intimate relationship between members of two or more species E. All of these choices are correct

Answers: 1

Show answers

Another question on Biology

Biology, 21.06.2019 17:50

Why should the united state be concerned about air pollution in china?

Answers: 2

Answer

Biology, 22.06.2019 13:00

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?

Answers: 1

Answer

Biology, 22.06.2019 14:50

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.

Answers: 1

Answer

Biology, 22.06.2019 19:30

Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.

Answers: 3

Answer

You know the right answer?

Which of the following characterizes a symbiotic relationship? A. a close interrelationship where bo...

Questions