Biology, 03.07.2019 07:30, Serenitybella
Which of these characteristics is common only at the embryonic stage of fish and humans, and is suggestive of a common ancestor between the two? a) presence of lungs b) presence of a tail c) presence of gill slits d) presence of a vertebral column
Answers: 1
Biology, 22.06.2019 01:00, nikoidurrant
Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.
Answers: 1
Biology, 22.06.2019 04:00, paigefields2578
The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.
Answers: 1
Which of these characteristics is common only at the embryonic stage of fish and humans, and is sugg...
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