subject
Biology, 11.10.2020 01:01 qvezne7683

Throughout human history, major migrations have been spurred by sharp decreases in the availability of food caused by hazards or changes in climate. For example, the —————
was the result of a drought and wind-driven erosion. The
—————
on the other hand, was caused by a fungal disease that infected an important crop.

ansver
Answers: 3

Other questions on the subject: Biology

image
Biology, 22.06.2019 03:50, ofkameron50
The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
Answers: 1
image
Biology, 22.06.2019 09:20, burners
Give examples of selective advantage of organism’s body part/organ
Answers: 1
image
Biology, 22.06.2019 10:40, ari313
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.
Answers: 2
image
Biology, 22.06.2019 19:30, gungamer720
When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.
Answers: 1
You know the right answer?
Throughout human history, major migrations have been spurred by sharp decreases in the availability...

Questions in other subjects:

Konu
Social Studies, 26.06.2021 14:00
Konu
Mathematics, 26.06.2021 14:00
Konu
World Languages, 26.06.2021 14:00
Konu
Mathematics, 26.06.2021 14:00
Konu
English, 26.06.2021 14:00
Konu
Biology, 26.06.2021 14:00