Question

1. To be useful, a scientific name has to refer to (1 point)
all living species.

all living and extinct species.

all species in one habitat.

a single species.


2. Several different classes make up a (1 point)
kingdom.

phylum.

family.

genus.


3. Which are the two highest-level taxa in the Linnaean system? (1 point)
kingdom and order

domain and phylum

phylum and kingdom

genus and kingdom


4. Animals that are warm-blooded, have body hair, and produce milk for their young are grouped in the class (1 point)
Amphibia.

Mammalia.

Aves.

Reptilia.


5. The only "natural"
tax phylum.
kingdom.
genus.
species.