4. one kind of fish, the hagfish, is considered an invertebrate by scientists. why is this fish an invertebrate whereas all other fish are vertebrates?

Me if the environment changes, what is the first thing a species will do to survive? question options: the species will suddenly move from the area the species will adapt to the changes the species will change the environment back the species cannot survive a change in the environment

This is due ! matching pairs of chromosomes from parents are called a. homologous chromosomes b. heterozygous chromosomes c. herterogenes d. homologous bands

Acommon kind of mechanical weathering is called