Biology, 03.02.2021 22:40 arianaw6735
Which of the following patterns in the fossil record would be an example of an organism evolving through punctuated equilibrium?
A. dorsal fins appearing, disappearing, and reappearing in species of ancient aquatic reptiles, mammals, and fish
B. a species of flower changing in shape, followed by a change in the beak shape in its preferred species of pollinator
C. the shell shape of a species of snail remaining unchanged for millennia until it changes to an entirely different shape
D, whale species gradually changing from land-dwelling mammals that walked on four legs to marine mammals without legs
Answers: 3
Biology, 21.06.2019 19:00
The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.
Answers: 1
Biology, 22.06.2019 05:30
The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.
Answers: 3
Biology, 22.06.2019 06:00
Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
Answers: 3
Biology, 22.06.2019 11:00
In general, did the simulated mice align with your predictions from the punnett squares? yes or no?
Answers: 3
Which of the following patterns in the fossil record would be an example of an organism evolving thr...
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Spanish, 04.03.2021 03:20
English, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20
English, 04.03.2021 03:20
Mathematics, 04.03.2021 03:20