Due to countercurrent flow in fish gills, __________
with the __________ oxygen concentration is always
in contact with __________ containing __________
oxygen.
a. blood; most; water; less
b. water; least; blood; less
c. water; greatest; blood; greater
d. blood; greatest; blood; less
e. water; greatest; water; less
Answer: b
You might also like to view...
Every cell within one organism has the same genome. In what way(s) can these cells differ from each other?
_____ number of chromosomes _____ ratio of organelles _____ proteins produced _____ number of genes in the DNA _____ surface area of cell membrane
What is the main difference between the haploid and diploid phases of animal and plant life cycles?
What will be an ideal response?
Answer the following statements true (T) or false (F)
1.Mycologists classify fungi into five phyla based on their sexual structures. 2.Ascomycetes are fungi that cause disease and are not beneficial to humans in any way. 3.A dikaryotic stage is common in the life cycle of many plants, protozoans, and fungi. 4.Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis. 5.Some animals are autotrophs.
The coccyx, a tiny tailbone found in humans, is believed to be a ________ structure
A) terminated B) vestigial C) rudimentary D) redundant