answer

watching

views

17 Jun 2019

19. Know the anthropogenic impacts on coastal ecosystems (direct and indirect)

20. What are the essential elements of coral reefs

21. Conditions conducive for reef establishment

22. Factors limiting coral reef distribution

23. Human impact on coral reefs

24. Reef types, reef formers (organisms) and how formed

answer

watching

131

views

For unlimited access to Homework Help, a Homework+ subscription is required.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

Sixta KovacekLv2

18 Jun 2019

Unlock all answers

Get 1 free homework help answer.

Already have an account? Log in

Related questions

1.What is an ecological footprint? What is the greatestcontribution that you make to your footprint? How could you reduceit?

2. Are humans a keystone species? Support your answer.

3. Why does community connectedness matter?

4. Why does community change matter?

5. What kind of environmental features favor pioneer species,what kind favor climax/late succession species? What kinds ofadaptations favor pioneer species, and what kinds favor climaxspecies?

5. What do we mean when we say that landscapes are stable?

6. What would a community ecologist be able to learn from the USCensus?

7. What does evolution have to do with community ecology?

8. What role does disturbance play in ecology? Giveexamples.

9. You will be expected to be able to calculate species richnessand determine evenness and species diversity indices.

10. You will be expected to make a connection between carryingcapacity, population growth, and community succession in NewJersey.

11. What are the factors that can or could influence thecarrying capacity of NJ?

12. Rank the following three factors in terms of their impact onhuman carrying capacity: space availability, food availability,money availability.

13. Why are some invasive species more successful (i.e. havegreater fitness) in their introduced environment compared to theirnative environment?

14. What is global change about and how do our actions affectit? How is NJ going to be affected by global change?

15. Why, if it is summer in the southern hemisphere and winterin the northern hemisphere, do we see an overall increase in globalCO2 concentrations?

16. What is a dead zone and how is it created? What humanactivity (ies) help create a dead zone?

17. How would a fire that burns most of a forest affect theenergy, water, nutrient, and carbon cycles?

18. What are ecosystem services? Give an example of two.

19. Show how the energy and carbon cycles are inter-related.Explain what is happening in your diagram.

20. You need to be able to explain why nitrogen is important andwhy too much nitrogen is bad.

21. Which gas is more important for global warming:CO₂ or methane? Why?

22. What are the major carbon sinks and sources on earth?

23. What evidence do we have that CO2 concentration of theatmosphere has increased in the last 200 years and what evidence dowe have that that increase is due to human activity?

24. What is happening to our oceans in response to the increasein CO2 in the atmosphere. Be complete, there is more than one partto this answer.

25. How do we know that global warming is and will have animpact on populations, communities, and ecosystems?

26. Given what we know about Japanese knotweed, global change,and human activity, explain the interactions and consequences ofJapanese knotweed invasion on our water supply. You need toinclude, the physiology of the plant, the population ecology of theplant, the water cycle (ecosystems), and global change.

27. Regional climate change models predict that this area willget warmer and receive more rainfall. They also predict thatagriculture (i.e. growing plants) will suffer. Explain why. Becomplete in your answer. There are several factors at workhere.

28. Why are sea-levels increasing globally? Give a detailedanswer. What are some likely consequences going to be (other thanlosing land).

greywasp586

BIOL 110 Principles of Biology

1.Describe the structure of a plasma membrane.

2.Define an amphipathic molecule and give an example.

3.Explain the difference between integral and peripheral proteins.

4.Describe the fluid-mosaic model of a membrane.

5.Identify and discuss the function of proteins located in the plasma membrane.

6.Explain the difference between glycoproteins and glycolipids.

7.Why can carbon form chemical bonds with so many elements?

8.Explain the meaning of concentration gradient as it pertains to movement of substances into and out of cells.

9.Explain diffusion and osmosis.

10.What molecule is thought to facilitate the movement of water molecules through a plasma membrane?

11.Explain the difference between active and passive transport across the plasma membrane. Provide examples that occur in the human body.

12.Explain the impact to a cell if placed in a hypertonic solution; include a definition of hypertonic solution and why the change occurs.

13.Identify a similarity and difference between facilitated transport and active transport. Do not state that both move substances across the membrane.

14.Explain the sodium-potassium pump and identify the type of membrane protein involved.

15.Identify and explain the process used by cells to secrete substances.

16.Explain the composition of a plant cell wall and how it differs from the cell wall of a prokaryotic cell.

17.Explain the plasmodesmata and identify the kingdom in which they are found.

18.Define energy and identify the two basic forms of energy.

19.Define entropy.

20.Define metabolism.

21.Explain the difference between exergonic and endergonic reactions.

22.What are coupled reactions and what roles can ATP serve in these reactions?

23.Explain the difference between oxidation and reduction reactions.

24.What is energy of activation?

25.What factors affect the speed of enzymatic reactions?

26.What is an electron transport chain?

27.What occurs at the active site of an enzyme?

28.Define enzymatic inhibition.

29.Define chemiosmosis.

30.Define vitamins and identify their function.

QUESTION 19

Among all protostomes, which morphological trait is most varied?

		type of symmetry
		type of body cavity
		number of embryonic tissues
		type of development

1 points

QUESTION 20

Nematodes are acoelomate animals.

True

False

1 points

QUESTION 21

The first genetic material on Earth was probably __________.

		DNA produced by reverse transcription
		DNA molecules whose information was transcribed to RNA
		protobionts
		self-replicating RNA molecules

1 points

QUESTION 22

Free point. Mark "true"

True

False

1 points

QUESTION 23

Which of the following is a characteristic of a flagellate?

		The use of pseudopods as feeding structures.
		They are often multinucleate.
		They can exchange genetic material with other ciliates by the process of mitosis.
		Most live as solitary autotrophs in fresh water.

1 points

QUESTION 24

The chelicerates have 2 pair of antennae.

True

False

1 points

QUESTION 25

Nematoes and arthropods both _________________.

		develop an anis from the blastopore formed during gastrulation
		are suspension feeders
		grow by shedding their exoskeleton
		have ciliated larva

1 points

QUESTION 26

If a lung were to be found in a mollusc, where would it be located?

		incurrent siphon
		mantle cavity
		visceral mass
		excurrent siphon

1 points

QUESTION 27

True segmentation (metamerism) evolved 3 seperate times.

True

False

1 points

QUESTION 28

The first coelomate animals are the _______________________________.

		Nematoda
		Platyhelminthes
		Mollusca
		Arthropoda

1 points

QUESTION 29

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?

		How can amino acids, simple sugars, and nucleotides be synthesized abiotically?
		How did RNA sequences come to carry the code for amino acid sequences?
		How could polymers involving lipids and/or proteins form membranes in aqueous environments?
		How can RNA molecules act as templates for the synthesis of complementary RNA molecules?

1 points

QUESTION 30

The greatest number of endemic species is expected in environments that are _____.

		easily reached and ecologically diverse
		isolated and show little ecological diversity
		isolated and ecologically diverse
		easily reached and show little ecological diversity

1 points

QUESTION 31

A population of organisms will not evolve if _____.

		all individual variation is due only to environmental factors
		the environment is changing at a relatively slow rate
		the population size is large
		the population lives in a habitat without competing species present