feedback is when the body reacts in the same direction as a stimulus.
Negative
Positive...
Answers: 3
Biology, 21.06.2019 13:30, natlovesfood
Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone
Answers: 2
Biology, 22.06.2019 11:00, ayoismeisalex
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Biology, 22.06.2019 12:00, luv4appleallday
The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.
Answers: 1
Mathematics, 17.10.2020 06:01
Mathematics, 17.10.2020 06:01
Mathematics, 17.10.2020 06:01
History, 17.10.2020 06:01
Computers and Technology, 17.10.2020 06:01
History, 17.10.2020 06:01