Cnidocytes are stinging cells that are characteristic of the phylum:
a. Porifera.
b. Annelida.
c. Echinodermata.
d. Cnidaria.
e. Ctenophora.
D
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@Oxygen and glucose are products of photosynthesis.
a. Chlorophyll b. Hydrogen c. Oxygen d. Carbon
Irises and other ____ plants flower only when the hours of darkness fall below a critical value, typically in summer
a. short-day b. long-day c. annual d. biennial e. perennial
Comb shape in chickens also involves the interaction of two genes, but the F2 generation shows a typical 9:3:3:1 Mendelian ratio. How does this work?
What will be an ideal response?
At most companies, corporate social responsibility is still _____, and largely _____, to core business strategies.
A) essential; fundamental B) circumstantial; intentional C) incidental; supplemental D) supplemental; incidental