Biology, 19.01.2020 21:31 dchirunga23
If the environment on the island changed and the seeds of more of the plants became harder to crack open, describe what the graph might look like after many years have passed.
Answers: 2
Biology, 22.06.2019 02:00
Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.
Answers: 1
Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
Biology, 22.06.2019 06:30
Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?
Answers: 3
Biology, 23.06.2019 00:40
Which ingredient(s) in macconkey agar supply(ies) a) carbon b) nitrogen a) lactose: fermentable carbohydrate providing carbon b) casein and animal tissue: provides nitrogen
Answers: 2
If the environment on the island changed and the seeds of more of the plants became harder to crack...
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