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.