Which organism in the food web below is found in the first trophic level of the
ecosystem?
boa constrictor
beetle
coati
poison dart frog
sloth
strangler fig
fungus
fruit bat

A. Fungus
B. Fruit bat

C. Strangler fig
D. Sloth

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.