Peacocks display their brilliant plumage. what does this display communicate?
a.
social...
Answers: 1
Biology, 21.06.2019 22:30
How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.
Answers: 2
Biology, 22.06.2019 07:00
How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line
Answers: 3
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 18:30
Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i
Answers: 3
Biology, 06.04.2020 01:51
Mathematics, 06.04.2020 01:51
Mathematics, 06.04.2020 01:51
Mathematics, 06.04.2020 01:51
Mathematics, 06.04.2020 01:51
Mathematics, 06.04.2020 01:51
Business, 06.04.2020 01:51
Mathematics, 06.04.2020 01:51
Medicine, 06.04.2020 01:52