Biology, 30.09.2019 23:30 camrynhelm8278
Which sentences describe functions of the immune system? choose all answers that are correct. a. bones produce extra white blood cells to increase its defense against germs. b. the body filters the blood for waste materials. c. cell membrane keeps germs from entering the cell. d. lymphocytes create antibodies that attach to the germ.
Answers: 2
Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 11:00
1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis
Answers: 1
Biology, 22.06.2019 12:00
Matched chromosomes carrying information about the same characteristics in the organism are called
Answers: 1
Biology, 22.06.2019 16:40
An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient
Answers: 1
Which sentences describe functions of the immune system? choose all answers that are correct. a. bo...
Chemistry, 08.12.2020 18:50
History, 08.12.2020 18:50
English, 08.12.2020 18:50
Law, 08.12.2020 18:50
Chemistry, 08.12.2020 18:50
Mathematics, 08.12.2020 18:50
Mathematics, 08.12.2020 18:50
Mathematics, 08.12.2020 18:50
French, 08.12.2020 18:50
Physics, 08.12.2020 18:50
Social Studies, 08.12.2020 18:50
History, 08.12.2020 18:50