Biology, 25.07.2019 23:30 samvgesite
Charles darwin hypothesized that bipedalism arose so that hominins would have two free hands to create and carry weapons. what does fossil evidence that now refutes this hypothesis include?
Answers: 2
Biology, 22.06.2019 09:00
The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)
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Biology, 22.06.2019 18:10
Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia
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Biology, 22.06.2019 21:00
Which statements about a food chain are true? choose all answers that are correct. a.plants are the first living organisms in food chains on land. b. the plants in a food chain are called herbivores. c. all food chains on land begin with energy from the sun. d. carnivores in a food chain eat only plants.
Answers: 1
Biology, 22.06.2019 22:30
"does stress during a woman's first trimester of a pregnancy affect the infant's birth weight? " is a
Answers: 1
Charles darwin hypothesized that bipedalism arose so that hominins would have two free hands to crea...
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