What's the difference between a catalyst and an enzyme?

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime