QUESTION 1
1. An ecological engineer is:
| Someone who designs human houses based on ecological design principals. | ||
| Someone who designs human houses based on ecological design principals. | ||
| An organism that builds structures like nests or damns. | ||
| An organism that creates habitat for other organisms. |
5 points
QUESTION 2
1. Forest can be functionally categorized based on the their contribution to the following processes:
| a) Water cycling. | ||
| b) Nutrient cycling. | ||
| c) Microclimate regulation. | ||
| a, b, and c | ||
| Only a and b. |
5 points
QUESTION 3
1. The science of systematics studies:
| The ability of plants to produce their own energy. | ||
| How humans interact with the planet. | ||
| How different groups of organisms are evolutionarily related. | ||
| How animals can be placed in different categories based on form. |
5 points
QUESTION 4
1. What is the synapomorphy (shared derived characteristic) that unites all members of the Carnivora and distinguishes them from other mammals?
| Ability to roar. | ||
| Carnassial teeth. | ||
| Retractable claws. | ||
| Hair. |
5 points
QUESTION 5
1. What characterizes the Archeabacteria?
| They all use chlorophyll to generate energy from the sun. | ||
| Their cells contain organelles and a nucleus. | ||
| They have RNA that differs from all other organisms. | ||
| They have a nucleus, but no cell membranes. |
5 points
QUESTION 6
1. Which groups of major global ecosystems occur under environmental conditions (moisture and temperature) that are most similar?
| Rainforest, boreal forest, open woodland. | ||
| Tundra, savanna, temperate forest. | ||
| Savanna, shrubland, grassland. | ||
| Mangrove forest, rainforest, boreal forest. |
5 points
QUESTION 7
1. The most biologically productive part of the world marine ecosystems are:
| On sandy beaches. | ||
| In the pelagic areas of the sea. | ||
| Along the coastlines. | ||
| In deep sea trenches. |
5 points
QUESTION 8
1. What is the globally dominant plant ecosystem?
| Desert. | ||
| Boreal Forest. | ||
| Temperate Forest. | ||
| Chaparral. |
5 points
QUESTION 9
1. Of the four listed below, which is the least common terrestrial ecosystem on our planet?
| Rainforest. | ||
| Deserts. | ||
| Boreal Forests. | ||
| Grasslands. |
5 points
QUESTION 10
1. In taxonomy the basic unit is the?
| Species. | ||
| Taxon. | ||
| Domain. | ||
| Kingdom. |
5 points
QUESTION 11
1. The eukarya have organelles in their cells. The previous statement is:
True
False
5 points
QUESTION 12
1. Why is there a wide discrepancy between the number of described species and expected species in some groups of organisms?
| Some organisms are hard to find. | ||
| Few biologists are experts in those groups. | ||
| Their small, so they can fill many more ecological roles. | ||
| All of these answers are correct. |
5 points
QUESTION 13
1. What is biodiversity?
10 points
QUESTION 14
1. Species diversity is made of two components, species richness and evenness. Please explain these two terms and include an example.
10 points
QUESTION 15
1. What is the difference between the instrumental and the intrinsic value of biodiversity?
10 points
QUESTION 16
1. What are one or more characteristics that distinguish plants from animals? What characteristics do plants and animals share?
10 points
QUESTION 17
1. Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems?
| Many primary and higher level consumers are opportunistic feeders. | ||
| Most predators require large home ranges. | ||
| Each energy transfer is less than 100% efficient. | ||
| Ecologists are still working to asnwer this question. |
5 points
QUESTION 18
1. What do ecologists study? Make sure to use your own words. Don’t cut and paste from the handouts.
10 points
QUESTION 19
1. Did the return of wolves to the Yellowstone ecosystem have an indirect positive impact on bear populations?
Yes
No
5 points
QUESTION 20
1. Did the return of wolves to the Yellowstone ecosystem have an indirect negative impact on elk populations?
Yes
No
5 points
QUESTION 21
1. Did the return of wolves to the Yellowstone ecosystem have a direct negative impact on mesopredator populations?
Yes
No
