Which of the following characteristics is used to characterize vertebrates?

a. a bony endoskeleton
b. blood containing hemoglobin
c. a four-chambered heart
d. lungs
e. live birth


A

Biology & Microbiology

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Which floral structure is a female reproductive part?

a. anther b. pollen sac c. stigma d. stamen e. filament

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Match the terms appropriately

a. nitrogen-containing base, sugar, phosphate group(s) b. copy of an organism c. chromosome that does not determine sex d. DNA wrapped around histones e. fills in gaps, seals breaks in a DNA strand f. two chromosomes copies of each g. adds nucleotides to a growing DNA strand________ nucleosome________ clone________ nucleotide________ diploid________ DNA ligase________ DNA polymerase________ autosome

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A renal ______ delivers blood to the kidney for filtration

Fill in the blank(s) with correct word

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Nutrients cycle most rapidly with the reservoir pool of a biogeochemical cycle and least rapidly with the biomass pool

Indicate whether the statement is true or false

Biology & Microbiology