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

Write a paper about pandainstruction is given belowbullyour

Write a paper about PANDA. Instruction is given below. • Your position paper should be from 3 pages in length! (Reference page excluded) • Provide evidence as to why the animal has become endangered and emphasize the eff ...

What effect did grounding of the planes after 911 have on

What effect did grounding of the planes after 9/11 have on daily temperature ranges? Why was temperature affected?

For this assignment you will select 4 fermented foods to

For this assignment, you will select 4 fermented foods to include in a full course dinner menu. Not every dish in the menu needs to be fermented, but 4 fermented products have to be included. The menu should have an appe ...

You are an employee of an us firm that produces personal

You are an employee of an U.S. firm that produces personal computer in Thailand and then exports them to the United States and other countries for sale.  The personal computers were originally produced in Thailand to tak ...

Topic genomicsquestion describe how the use of genetic

Topic: Genomics Question: Describe how the use of genetic knowledge can change the course of disease. What are the implications of the prolific use of genetic knowledge for the intervention of disease? Should there be an ...

Ocean systemsaccording to the law of conservation of energy

Ocean Systems According to the law of conservation of energy, energy cannot be created or destroyed, but it can change from one form to another 1. A boy doing a cannonball into the pool. He went from potential to kinetic ...

Elisa uses an enzyme-linked antibody to detect and antigen

ELISA uses an enzyme-linked antibody to detect and antigen. Briefly explain how use of the enzyme is ELISA could amplify the detection of a very small amount of antigen in a sample.

Please describe four different categories of tissue

Please describe four different categories of tissue engineering strategies for repairing bone and cartilage injuries separately, and compare the advantages and disadvantages of these strategies?

Transgenic plants can be given characteristics that are

Transgenic plants can be given characteristics that are agriculturally useful such as resistance to herbicides. Bt corn is one example. Identify some advantages and problems associated with genetically modified Bt corn. ...

Discussion topicolder people die for a number of reasons

Discussion Topic Older people die for a number of reasons: cancer, heart failure, complications due to diabetes, stroke, Alzheimer's, etc. Often times, the way we live our lives affect not only how long we live but what ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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