Question

Eukaryotic cells:

Select one:

a. have a nucleus

b. do not contain organelles

c. some use complex structures for motility (movement) and feeding

d. all contain chloroplasts and mitochondria

e. more than one of these

f. all of these

Fungi are among an important group of species in soil ecosystems that break down dead organic matter.  These organisms are called:

Select one:

a. primary producers

b. detritivores

c. secondary consumers

d. carnivores

e. omnivores

According to Endosymbiosis Theory as developed by Lynn Margulis:

Select one:

a. a free living purple sulfur bacteria engulfed by a eukaryotic cell became the first mitochondria

b. a free living cyanobacteria engulfed by a eukaryotic cell became a chloroplast

c. organelles of eukaryotic cells separated over billions of years to diversify prokaryotic life

d. more than one of these is true

e. all of these are true

Refer to the following equation:   Sugar (Glucose) + O2 + H20 --> CO2 + H2O + ATP

Select one:

a. this represents photosynthesis

b. this represents cellular respiration

c. organisms use to produce energy molecules necessary for metabolic reactions

d. A and C

e. B and C

In the Nitrogen cycle, which organisms specifically fix nitrogen gas (N2) from the atmosphere?

Select one:

a. bacteria in the root nodules of legume plants

b. decomposers

c. soil bacteria

d. A and C

e. B and C

Answer 1