Each segment in an earthworm contains _________muscle that makes each segment longer and narrower when it contracts.
Fill in the blank(s) with the appropriate word(s).
circular
Biology & Microbiology
You might also like to view...
At a source the phloem typically has a water potential that is ____ that in surrounding xylem
a. lower than b. about the same as c. higher than d. exactly the same as e. less negative than
Biology & Microbiology
In flatworms, the action of ciliated __________
draws interstitial fluid into a system of tubes that delivers it to the body surface. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Different, or alternative, forms of the same gene are called
a. genetomorphs. b. alleles. c. mutants. d. chromatids. e. homologous.
Biology & Microbiology
The menstrual cycle actually consists of two cycles that are interconnected: the ovarian cycle and the uterine cycle
Indicate whether the statement is true or false
Biology & Microbiology