Biology, 15.11.2019 05:31 nicolashernandez347
Fossilized stromatolitesa. all date from 2.7 billion years ago. b. formed around deep-sea vents. c. resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays. d. provide evidence that plants moved onto land in the company of fungi around 500 million years ago. e. contain the first undisputed fossils of eukaryotes and date from 2.1 billion years ago.
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Biology, 22.06.2019 04:00
Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino
Answers: 2
Biology, 22.06.2019 10:00
An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?
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Biology, 22.06.2019 19:30
All other things being equal the size of a population will decrease if
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Biology, 22.06.2019 20:30
The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.
Answers: 1
Fossilized stromatolitesa. all date from 2.7 billion years ago. b. formed around deep-sea vents. c....
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