Biology, 30.06.2019 22:40 senituliii
The movement of a bird away from a grass fire is caused by a) receptors initiating a stimulus b) impulse forming in a muscle tissue c) muscles responding to a stimulus d) effectors synthesizing neurotransmitters
Answers: 2
Biology, 22.06.2019 23:00
If you see a sedimentary outcrop and red layers of sand are at the top of pale layers of rock, what does this tell you about the ages of the rock layers?
Answers: 3
Biology, 23.06.2019 01:00
If the environment changes what is the first thing a species will do to survive
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Biology, 23.06.2019 01:00
(05.01 mc) west indian manatees are large aquatic mammals that live in rivers and near shore estuaries, especially in florida. they have two flexible front flippers with three or four toenails, similar to elephant toenails. though they lack hind limbs, manatees have vestigial pelvic bones, as shown in the diagram. manatee and elephant skeletons are shown side-by-side. the manatee, an aquatic animal, has a skeleton that has two large front limbs and two very tiny hind limb bones that do not form actual limbs. the elephant has four large limbs. which of the following answer choices best describes how evidence of the manatee toenails and pelvic bones supports the scientific theory of evolution of these animals? (1 point)
Answers: 2
The movement of a bird away from a grass fire is caused by a) receptors initiating a stimulus b) i...
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