Of the crayfish, earthworm, and rat, which organisms share the most recent common ancestor? How did...
Of the crayfish, earthworm, and rat, which organisms share the most recent common ancestor? How did you arrive at your answer? Based on this relationship, which organisms do you expect to have the most similarities in their anatomy?
Homework Answers
Rat share the most recent common ancestor because the chordates and then mammals are recently found atmost. In the rat notochord is present and having complex neuronal system by which they share the recent evolution of organism.Earthworm shows the most similarity in their anatomy w.r.t rat because of that both have closed circulatory system, triploblastic,and body segmentation internally present in both,nephrites are present in earthworm while in rat nephron are present which shows similar excretory system.
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Of the crayfish, earthworm, and rat, which organisms share the
most recent common ancestor? How did...
7. Which number (below) represents the most recent common ancestor of the whale and deer? WHALE...
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Explain why the time of the most recent common ancestor estimated from variation in a sample...
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Which node of the phylogenetic tree in Figure 1 represents the most recent common ancestor of...
Which node of the phylogenetic tree in Figure 1 represents the
most recent common ancestor of echidnas and Asian elephants? (Node
A B C or D)
According to the phylogenetic tree of chordates in Figure 1,
how would you describe the relatedness of the outgroup species to
other chordates?
a) The painted tunicate is more
closely related to lampreys than to sharks
b) The painted tunicate is not as
highly evolved as the remainder of the chordates
c) The painted...
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Bio101 Lab 8
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Question 1: Homeostasis, Common Ancestry, and Divergence a) One problem that all respiring organisms share is...
Question 1: Homeostasis, Common Ancestry, and
Divergence
a) One problem that all respiring organisms share is the
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7. Which number (below) represents the most recent common ancestor of the whale and deer? WHALE HIPPOPOTAMUS DEER HORSE CAT 1 2 3 4 1.11 8. Which pair has the most recent common ancestor? a) horse and cat b) whale and cat c) deer and whale d) whale and hippopotamus 9. Which of the following pairs would have the most least similar DNA sequences? a) whale and hippopotamus b) hippopotamus and deer c) horse and deer d) horse and cat...
See Hint Several organisms have a homologous protein inherited from a common ancestor) that is highly similar at the amino acid level. You are comparing the genes that code for these proteins in the different organisms when you note that one of the codon nucleotide positions shows more nucleotide variation than the other nucleotide positions. In which codon nucleotide position do you expect to see the most variability among species? Choose one: A fourth nucleotide position B. third nucleotide position...
Which node of the phylogenetic tree in Figure 1 represents the
most recent common ancestor of echidnas and Asian elephants? (Node
A B C or D)
According to the phylogenetic tree of chordates in Figure 1,
how would you describe the relatedness of the outgroup species to
other chordates?
a) The painted tunicate is more
closely related to lampreys than to sharks
b) The painted tunicate is not as
highly evolved as the remainder of the chordates
c) The painted...
The group of organisms humans belong to is relatively small. All living organisms share a common ancestor, as evidenced by the commonality of DNA and ribosomes. Humans are not a unique form of life. Our ability to learn about the natural world does provide us an advantage over many species, especially if we use this advantage wisely. Antibiotics are prevalent in bacteria and fungi, whereas other drugs are derived from plants. Humans are not the most common species on Earth....
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in the treee below, assume the most recent common ancestor to
all the animals listed had a long tail, ears, external testes, and
fixed claws. based on the info in the tree, what traits does a seal
have? (picture below)
Select all the ways animals are different from plants. animals are heterotrophs animals are autotrophs animals have sexual reproduction animals are mostly mobile at some life stage QUESTION 2 In the tree below, assume the most recent common ancestor to...
Question 1: Homeostasis, Common Ancestry, and
Divergence
a) One problem that all respiring organisms share is the
need for biological structures that allow efficient uptake of
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have evolved for carrying out gas exchange are gills and lungs. The
table below lists organisms according to the type of structure they
use for gas exchange.
Describe the general process of gas exchange that occurs
between a gill or lung and the...
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