Ectothermic animals regulate their body temperature by ____
a. adjusting their metabolism
b. relying on insulation such as feathers
c. growing hair
d. foraging for food
e. altering their position
ANSWER: e
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All EXCEPT which of the following are monocots?
a. orchids b. wheat c. maple d. grass e. palms
Broad scale regions dominated by similar types of ecosystems are called
A) communities. B) biospheres. C) biomes. D) landscapes.
In which kingdom does a multicellular, eukaryotic, photosynthetic organism belong?
A) Fungi B) Animalia C) Protists D) Plantae
Which statement is not true about eukaryotic ribosomes?
A) Ribosomes found in mitochondria are 70S rather than the 80S type found in the cytoplasm. B) Both bound and free ribosomes consist of a 40S and a 60S subunit. C) Bound ribosomes produce proteins that are destined for secretion from the cell. D) Bound ribosomes are attached to the endoplasmic reticulum (ER). E) Bound ribosomes are always bound while free ribosomes are always free.