1. What did Robert Paine do with the purple star fish?
2. What was Professor Fred Smith thinking about when he asked “Why is that tree green?”
3. Why is the world truly green?
4. What animal did Robert Paine discover is at the top of the food chain?
5. On the rock shoreline, how was biodiversity affected by the removal of starfish?
6. What term did Paine coin to describe a species that could regulate the composition of an entire community?
7. What organism did Paine suspect was reducing the population of kelp?
8. What human activity caused sea otters to be on the brink of extinction?
9. What happens when you remove sea otters from the ecosystem?
10. What controls the distribution of resources in a trophic cascade?
11. Which organism was truly responsible for the sustainability of the kelp forest ecosystem?
12. What did Tim Tinker hypothesize was affecting the abundance of sea otters?
13. After WWII, what species’ population was reduced by human activity?
14. What trophic level do orcas belong in, supporting Paine’s theory?
15. The removal of what type of species has profound effects on the number and variety of other species, and the ecosystem as a whole?
Analysis Questions (After Video)
16. What are trophic cascades?
17. Describe how keystone species keep an ecosystem in check.
Answers: 2
Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 22.06.2019 00:00
Does masterbation affect height growth or loss of growth hormone?
Answers: 2
Biology, 22.06.2019 00:10
The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.
Answers: 1
Biology, 22.06.2019 00:30
When analyzing tree rings, what do scientists assume a thin ring indicates?
Answers: 2
1. What did Robert Paine do with the purple star fish?
2. What was Professor Fred Smith thinking ab...
Mathematics, 11.05.2021 04:20
Advanced Placement (AP), 11.05.2021 04:20
Mathematics, 11.05.2021 04:20
Mathematics, 11.05.2021 04:20
Mathematics, 11.05.2021 04:30
Health, 11.05.2021 04:30
Business, 11.05.2021 04:30
English, 11.05.2021 04:30
Mathematics, 11.05.2021 04:30
History, 11.05.2021 04:30