Biology, 08.10.2019 20:30 joriwilliams3018
Which of the following statements about wings is true?
(a) wings are ancestral in bats, but derived in birds.
(b) the common ancestor of birds and turtles most likely had wings.
(c) wings are an ideal characteristic to use when constructing a phylogenetic tree.
(d)the arrangement of bones in bird and bat wings (forelimbs) is a homology, but the presence of wings in birds and bats for flight is an analogy.
(e) wings evolved in the common ancestor of the sauropsids & mammals, but were subsequently lost in all groups except bats and birds.
Answers: 3
Biology, 22.06.2019 08:20, jholland03
Which of these parts of the membrane large moecules pass through it ?
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Biology, 22.06.2019 14:30, kiwe595
Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.
Answers: 1
Which of the following statements about wings is true?
(a) wings are ancestral in bats,...
(a) wings are ancestral in bats,...
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