Fill in the blank. Hagfishes are ___. (a) Parasitic (b) Predateous (c) Omnivorous (d) Herbivorous (e) None of the above. Which of the following represents a grazing food chain? a. leaves, detritus feeders, deer, owls b. birds, mice, snakes c. ...
One kind of fish, the hagfish, is considered an invertebrate by scientists. Why is this fish an invertebrate whereas all other fish are vertebrates? Consider the jellyfish and the phylum that it belongs to. What are the key characteristics(body pl...
Although present in the earliest jawed vertebrates, no IFN-γ gene has been found in jawless fish (e.g., lamprey and hagfish) (Secombes and Zou, 2017), despite the presence of a variable lymphocyte receptor generated by combinatorial assembly, thus associating the appearance of the gene with...
One kind of fish, the hagfish, is considered an invertebrate by scientists. Why is this fish an invertebrate whereas all other fish are vertebrates? Why is it important to name organisms? How are the shells of terrestrial and marine snails different? Do sea monkeys reproduce? Why or w...
a. DNA analysis shows that fish are tetrapods' closest relatives. b. Both fish and four-limbed animals are vertebrates. c. Fossil evidence shows there Comparative anatomy and embryology can be used to determine relatedness, why the is serology of use in evo...