SCIN 130 Week 8 Quiz

SCIN 130 Week 8 Quiz | Assignment Help | APUS 

Week 8 Quiz

Question 1 of 31

What term describes the energy that remains in the producers after accounting for respiration and heat loss?

  A. gross primary productivity

  B. detrital food web

  C. net primary productivity

  D. grazing food web

Question 2 of 31

 Because the tropical rainforest has warm temperatures, abundant water, and a year-round growing season, what type of net primary productivity does it have?

  A. low

  B. high

  C. medium

  D. productive

Question 3 of 31

 A wolf is an example of what member of the food chain?

  A. primary consumer

  B. producer

  C. apex consumer

  D. tertiary consumer

  E. secondary consumer

Question 4 of 31

 What is a food web that includes decomposers and detritivores called?

  A. Carnivorous food web

  B. Detrital food web

  C. Grazing food web

  D. Herbivorous food web

.Question 5 of 31

 What is the area of Earth where water movement and storage occurs?

  A. troposphere

  B. atmosphere

  C. hydrosphere

  D. stratosphere

Question 6 of 31

 Where is the majority of the water on Earth found?

  A. marsh

  B. fresh water

  C. salt water

  D. snow

  E. ice

Question 7 of 31

 What happens to the amount of energy as it moves between trophic levels?

  A. stable

  B. decreases

  C. increases

  D. no change

.Question 8 of 31

 Temperature and precipitation are examples of what in an environment?

  A. living factor

  B. abiotic factor

  C. biotic factor

  D. essential factor

 Question 9 of 31

 Why are those at the top of a food chain affected if a species at the bottom of the food chain consumes a toxin?

  A. water availability decreases

  B. species at the bottom enjoy toxins

  C. species at the top eat more

  D. fat soluble compounds biomagnify

Question 10 of 31

Which of the following is not in effect in the US that helps regulate human and corporate behavior for conservation of biodiversity?

  A. MBTA

  B. the Endangered Species Act

  C. the Kyoto Protocol

  D. CITES

.Question 11 of 31

 Where are invisible species are most often found?

  A. tropical rainforests

  B. temperate grasslands

  C. coral reefs

  D. estuary habitats

Question 12 of 31

 Biodiversity does not increase:

  A. where endemic species are found

  B. when latitude increases

 C. where there are more ecological niches

  D. when ecosystems are older

Question 13 of 31

 Several pet Burmese pythons escape a breeding facility when a hurricane destroys the building. With a limited number of predators their population quickly grows. Declines in native animal populations are severe. This is an example of what?

  A. overharvesting

  B. climate change

  C. habitat loss

  D. exotic species

Question 14 of 31

 If the climate change warming trend continues which of the following will you not expect to see?

  A. changes in regional rainfall and snow patterns

  B. an estimated 15-40% extinction of all species by 2050

  C. raising ocean levels

  D. new overlapping competitive regimes

  E. less crowding in species higher in altitude

 Question 15 of 31

 Biodiversity does NOT include what?

  A. geological diversity

  B. chemical diversity

  C. genetic diversity

  D. ecosystem diversity

.Question 16 of 31

 The collapse of ecosystems will NOT impact human welfare through what?

  A. Increased air pollution

  B. Increased medical expenses

  C. Increased water quality

  D. Increased food costs

Question 17 of 31

 What is the estimated rate of extinction?

  A. 1500-2000 times background rate

  B. 5-10 times the background rate

  C. 500-1000 times background rate

  D. 50-100 times the background rate

.Question 18 of 31

 What kind of diversity directly leads to chemical diversity?

  A. ecosystem

  B. habitat

  C. species

  D. genetic

 Question 19 of 31

 What are some of the environmental consequences to the reintroduction of wolves in Yellowstone?

  A. There has been a noticeable decrease in the number of tourists to the area due to fright.

  B. All elk and songbird populations are in decline due to the high amount of predation.

  C. River shapes and patterns have become more stable with more pools and riffle sections.

  D. Beavers are consuming more cottonwoods due to the increase in blooms.

Question 20 of 31

 The evolutionary change in African moth with respect to tongue length as a result of a deep flower shape of an orchid is an example of what?

  A. Convergent

  B. Parallel

  C. Coevolution

  D. Divergent

 Question 21 of 31

 Which term best describes an interaction where two organisms directly go after the same resource and one will triumph?

  A. Mutualism

  B. Commensalism

  C. Parasitism

  D. Competition

  E. Predation

Question 22 of 31

 A scientific hypothesis is __________.

  A. a proven scientific fact

  B. an idea of what governs an observation

  C. not part of the scientific method

  D. none of the above

.Question 23 of 31

 What is the value of using peer reviews in scientific work?

  A. To make the process of writing a journal article faster

  B. To prove that your work is correct

  C. To brag about your accomplishments to your friends

  D. To leverage the collective expertise of your peers and their unique perspectives

 Question 24 of 31

 Which part of a scientific manuscript is often the shortest, but most important section?

  A. Results

  B. Methods

  C. Introduction

  D. Discussion

.

 Question 25 of 31

 The differences in allele frequency is due to both length of time species are separated as well as what?

  A. geographic distance

  B. size of family

  C. color of ivory

  D. type of meals

Question 26 of 31

How can you tell if an allele is homozygous by looking at an agarose gel?

  A. There are many bands

  B. There are no bands

  C. There are two bands

  D. There is only one band

.Question 27 of 31

What country did Wasser’s team trace the poached ivory to?

  A. The DRC

  B. Zimbabwe

  C. Tanzania

  D. Namibia

  E. Kenya

Question 28 of 31

How many elephants are estimated to be slaughtered each year?

  A. 50,000

  B. 1 million

  C. 100,000

  D. 250,000

 Question 29 of 31

 What were we looking at in this case in order to determine the location of the poached elephants?

  A. color of seized ivory compared to wild

  B. presence of forages in the stomach

  C. absence of empathy

  D. presence or absence of alleles

.Question 30 of 31

 In a few sentences, what was the overall purpose of the lab for this week? You should include 1-2 sentences on the methods and then the overall reason.

to understand and determine what and how the elephants are affected by poaching and to prevent further species decline. also to determine where the elephants come from based on ivory found or recovered. methods used were determining missing or intact alleles and dna of the elephants found in different locations.

Part 7 of 7 - Lab Upload     

Question 31 of 31

 Please upload your completed Lab Packet for this week. Make sure your name is on the top in the space provided.

    Suzanne_Crocker_Lab8.docx

(3,574.83 KB)