What are the three main body segments in arthropods?
a. cephalothorax, abdomen and appendages
b. thorax, appendages and spiracles
c. head, cephalothorax and appendages
d. head, thorax and abdomen

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.

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?