A shipworm is an animal that subsists entirely on a diet of wood. What digestive feature is this animal likely to have in order to survive on this highly specialized diet?
A) A three-chambered stomach
B) Intracellular digestion
C) A gastrovascular cavity
D) Large amounts of proteases and lipases
E) Symbiotic microorganisms that produce cellulose-digesting enzymes
E
You might also like to view...
In bees, haploid male drones are produced by ____ while new queens and sterile workers are produced by ____
a. parthenogenesis; fertilization b. budding; fertilization c. fragmentation; parthenogenesis d. fertilization; parthenogenesis e. fission; budding
Blood vessels and tiny air sacs within lungs are lined by ________ epithelium
a. simple columnar b. all of the choices c. simple cuboidal d. simple squamous
A young scientist has discovered a new species of grub worm in the Amazon. He would like to explore the possibility that in this grub worm the codon CUC is the start codon and codes for methionine, not leucine as it does in other worms. To date, he has been unable to get his research funded, most likely because
A) worms have been extensively studied and their genomes are simple. B) worms do not contain homologous genes to humans. C) codons are generally the same in all worms. D) the genetic code is universal to all species. E) worms are difficult to maintain in the laboratory.
The absence of necessary receptors is the basis of the defense against microbial invasion known as (natural/innate/species) resistance
What will be an ideal response?