Biology, 05.02.2020 10:56 keniaguevara32
Simple animals are able to supply their cells with nutrients through diffusion and active transport across cell membranes because a. they have complex circulatory systems.
b. their cells are in direct contact with the environment.
c. their cells are not in direct contact with the environment.
d. their blood transports oxygen and other materials through a series of blood vessels.
Answers: 3
Biology, 21.06.2019 20:30
Which of the following is a common danger of commercial fishing?
Answers: 1
Biology, 22.06.2019 04:10
How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.
Answers: 1
Biology, 22.06.2019 08:10
Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?
Answers: 2
Biology, 22.06.2019 12:20
Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water
Answers: 3
Simple animals are able to supply their cells with nutrients through diffusion and active transport...
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
English, 03.02.2021 01:30
Social Studies, 03.02.2021 01:30
History, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Social Studies, 03.02.2021 01:30
English, 03.02.2021 01:30
English, 03.02.2021 01:30