Which of the following is true about a phylogenetic tree ? A) they're a way of visualizing how different species are related. B) Branch length always corresponds to how long a species has been alive. C) The species to the right are more evolved than the species to the left. D) All of the above.
Answers: 1
Biology, 21.06.2019 18:30
Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.
Answers: 3
Biology, 22.06.2019 09:00
What is responsible for the uneven heating between the poles and the equator on any given day
Answers: 3
Biology, 22.06.2019 18:30
Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas
Answers: 2
Biology, 23.06.2019 00:30
Which are results of technological advances? people's increased exposure to new ideas the development of an increasingly global culture their value by people around the world the bringing of harmony to diverse groups of people the reduction of the number of people living in rural areas
Answers: 1
Which of the following is true about a phylogenetic tree ? A) they're a way of visualizing how diffe...
Mathematics, 04.08.2019 06:00
Spanish, 04.08.2019 06:00
Mathematics, 04.08.2019 06:00
Mathematics, 04.08.2019 06:00
History, 04.08.2019 06:00
Mathematics, 04.08.2019 06:00
Mathematics, 04.08.2019 06:00
Biology, 04.08.2019 06:00
Business, 04.08.2019 06:00