Which parts of a flower are most likely to have distinctive colours, patterning, and shapes for attracting pollinators?
a. the petals
b. the receptacles
c. the sepals
d. the stamens
Ans: a. the petals
Biology & Microbiology
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Bone plays a critical role in providing ____ for the blood
a. sodium and calcium ions b. magnesium and phosphate ions c. carbon dioxide d. phosphate and calcium ions e. calcium ions and oxygen
Biology & Microbiology
Which cannot be a symbiosis?
a. mutalism c. commensalism b. parasitism d. interspecific competition
Biology & Microbiology
What definition describes the background extinction rate?
Biology & Microbiology
The extension of pseudopodia in amoeba is due to the regulated assembly and destruction of _______.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology