What is the ratio of surface area to volume for a sphere with the following measurements? surface area = 432 m2 volume = 864 m3 a. 0.5 m-1 b. 0.05 m-1 c. 0.02 m-1 d. 0.2 m-1

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

How would you describe an allele that be expressed and determines an organisms appearance? a.uncapitalized b.responsive c.recessive d.dominant