Agriculture & Biology
parallel evolution
92%
arteries
67%
cooling
59%
physiology
54%
brain
47%
mammals
24%
extinct species
23%
heat exchangers
21%
ungulates
19%
dry environmental conditions
18%
fossils
17%
deserts
16%
body temperature
16%
survival rate
13%
climate
13%
history
12%
environmental factors
10%
water
6%
temperature
6%
Earth & Environmental Sciences
parallel evolution
100%
physiology
67%
brain
61%
cooling
48%
mammal
29%
body temperature
21%
survivorship
20%
arid environment
19%
ungulate
19%
arch
17%
fossil record
16%
occupation
16%
desert
14%
perturbation
13%
environmental conditions
13%
world
9%
history
9%
climate
9%
loss
8%
temperature
6%
water
5%
analysis
4%
Medicine & Life Sciences
Arteries
50%
Brain
33%
Mammals
29%
Extreme Environments
26%
Survivorship
20%
Climate
19%
Body Temperature
17%
Thoracic Aorta
16%
Occupations
16%
Hot Temperature
13%
History
12%
Temperature
12%
Water
11%