Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source of energy for all living things on earth is

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?