Why are invasive species, like the Brown tree snake in Guam, so successful in their new range? Select all that apply.
_____ They are able to adapt to any type of climate.
_____ Their new food source has no form of defense against them.
_____ In their new range, they have few or no natural predators to control their population growth.
_____ They can mimic other toxic species.
_____ They have no carrying capacity in their new range.
_____ They are able to adapt to any type of climate.
__X__ Their new food source has no form of defense against them.
__X__ In their new range, they have few or no natural predators to control their population growth.
_____ They can mimic other toxic species.
_____ They have no carrying capacity in their new range.
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Four of the five answers listed below are features of the lac operon. Select the exception
a. repressor b. terminator c. operator d. promoter e. genes
Members of this genus are commonly used as model systems for studies of ecology and evolutionary
biology.
a. Ichthyostega b. Anolis c. Dunkleosteus d. Eusthenopteron e. Archaeopteryx
In humans, the fluid immediately surrounding
the embryo is contained in the
a. allantois. b. placenta. c. chorion. d. amnion. e. yolk sac
Some protists consist of a single cell with multiple nuclei. This condition is known as:
a. alternation of generations. b. multicellular. c. coenocytic. d. mycelium. e. colonial