Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

1. Which ecological principle does an energy pyramid represent?
A. Large amounts of energy are lost in the transfer between trophic levels.
B. The ultimate source of energy in the biosphere is the sun.
C. Consumer organisms are more important than producer organisms.
D. Most producer organisms use photosynthesis to create organic compounds.

2. Which of the following is a density-dependent limiting factor on the Florida manatee population?
A. hot ocean waters
B. cold stress
C. bacteria
D. water salinity

3. Which is not a major biogeochemical cycle?
A. oxygen cycle
B. biosphere cycle
C. nitrogen cycle
D. carbon cycle

4. Which parameter of the hydrosphere does not change?
A. temperature vs. depth at low latitudes
B. density vs. depth at low latitudes
C. surface temperatures from low to high latitudes
D. temperature vs. depth at high latitudes

5. What does the phrase trophic level mean?
A. number of organisms at each stage in the food chain
B. level on the food chain
C. complex relationships that form food webs from various food chains
D. which species any given predator preys on

6. What did environmental scientists learn about succession from observing the Mount Saint Helens eruptions of 1980?
A.Only invading species from outside the disturbed area participate in succession.
B. Succession involves both biological legacies and invading species.
C. Succession theory predicted exactly how Mount Saint Helens would recover.
D. Succession is a steady progression that, once started, goes to a predictable conclusion.

7. Which strategy would have the least positive impact on life expectancy?
A. mechanizing agriculture
B. vaccinating against childhood illnesses
C. replacing hunting and gathering with agriculture
D. removing sanitation facilities

8. Which process is the fastest at releasing oxygen into the atmosphere?
A. aerobic respiration
B. weathering
C. photosynthesis
D. decay

9. What type of population growth is affected by carrying capacity?
A. logarithmic growth
B. exponential growth
C. logistic growth
D. linear growth

10. Distribution of thermal energy across latitudes involves interaction between the hydrosphere and what other sphere?
A. biosphere
B. cryosphere
C. atmosphere
D.geosphere

11. Which is an ex of a population migrating in response to environmental stress?
A. A polar bear needs a wide territory to find sufficient prey.
B. Bats sleep during the day and fly from their shelters at night.
C. A cactus species distribution changes over time when the average temperature in its former habitat becomes too high.
D. Honeybees pollinate bluebonnet flowers, helping the bluebonnets thrive in their native environment.

12. What does primary productivity measure?
A. rate of loss of energy in an ecosystem
B. number of organisms in an ecosystem
C. weight of all organisms in an ecosystem
D. rate at which an ecosystem produces chemical energy from sunlight

13. What is an ecosystem?
A. group of interacting populations in a defined place and the nonliving factors that affect them
B. all the animal and plant species within a geographical area
C. classification for a broad type of habitat, such as savanna or tropical forest
D. all the members of one species living in one place and time

Biology, Academics

  • Category:- Biology
  • Reference No.:- M944269

Have any Question? 


Related Questions in Biology

List and describe different sediments that can be seen in

List and describe different sediments that can be seen in urine and differentiate between normal and abnormal sediments.

1 severe combined immunodeficiency disease scid is fatal at

1. Severe combined immunodeficiency disease (SCID) is fatal at an early age. SCID is caused by the lack of the enzyme adenosine deaminase, which is encoded by the gene ADA. Suppose you want to use a gene therapy method t ...

Consider a cross between two pea plants with the following

Consider a cross between two pea plants with the following genotypes: YyPpRrLl x YYPprrll Y=yellow seeds, y=green seeds P=purple flowers, p=white flowers R=round seeds, r=wrinkled seeds L=long stems, l=short stems What i ...

Compare the path of an amino acid to that of a large fatty

Compare the path of an amino acid to that of a large fatty acid from absorption to delivery to a cell.

Fluid electrolyte and acidbase balancedescribe the

Fluid, Electrolyte and Acid/Base Balance Describe the physiological roles of sodium, potassium, calcium, chloride, and phosphates. State the term for an excess or deficiency of each electrolyte and describe the consequen ...

What are the primary differences between a steroidlipid

What are the primary differences between a steroid/lipid soluble hormone and a protein hormone?

For this assignment continue to write about the current

For this assignment, continue to write about the current organization you work for or one that you worked for in the past. Before writing this paper, make sure to thoroughly review the background readings. Think carefull ...

Provide answers to the following in essay forma identify

Provide answers to the following in essay form. a) Identify three different general types of fossil fuels. b) Identify and discuss environmental problems that are associated with using these fossil fuels. c) Identify 3 t ...

Write 2 differences between monocot and eudicot

Write 2 differences between monocot and eudicot angiosperms.

What is the difference between the brain and cerebrumwhat

What is the difference between the brain and cerebrum? What are the main parts of these structures? How is the cerebrum anatomically divided? How is it structurally explained that the motor activity of the left side of t ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen