1. Which of the following is NOT a challenge plants face on land? a. Overabundance of Nutrients b. Lack of water c. Gravity 2. Zooxanthellae algae produce sugars and oxygen through photosynthesis. They provide some of these products to the surrounding coral and in return are provided with nutrients and shelter. What is the term for the relationship seen between zooxanthellae algae and the coral in which they live? a. Endosymbiosis b. Competition c. Cyanobacteria d. Hydroid synthesis 3. What distinguishing feature separates heterotrophs from autotrophs? a. Heterotrophs live in aquatic environments. b. Heterotrophs require sunlight to produce sugars. c. Heterotrophs must eat other organisms to survive. d. Heterotrophs and autotrophs are different names for the same organism. 4. In which structure of the chloroplasts will you find most of a plant's chlorophyll? a. Inner membrane b. Stroma c. Outer membrane d. Thylakoid .

1. 1. Which of the following is NOT a challenge plants face on land?
a. Overabundance of Nutrients
b. Lack of water
c. Gravity
2. Zooxanthellae algae produce sugars and oxygen through photosynthesis. They provide
some of these products to the surrounding coral and in return are provided with nutrients
and shelter. What is the term for the relationship seen between zooxanthellae algae and the
coral in which they live?
a. Endosymbiosis
b. Competition
c. Cyanobacteria
d. Hydroid synthesis
3. What distinguishing feature separates heterotrophs from autotrophs?
a. Heterotrophs live in aquatic environments.
b. Heterotrophs require sunlight to produce sugars.
c. Heterotrophs must eat other organisms to survive.
d. Heterotrophs and autotrophs are different names for the same organism.
4. In which structure of the chloroplasts will you find most of a plant's chlorophyll?
a. Inner membrane
b. Stroma
c. Outer membrane
d. Thylakoid