Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Homework Help/Study Tips Expert

Use the table below to answer the problem:

2219_pond ecosystem.jpg

Student’s Observations of a Pond Ecosystem

problem 1: A group of students measured a ten-square-meter section of a pond ecosystem and recorded observations. Which statement is a testable hypothesis?

a) The frogs living in the pond represent a population.
b) Water is an abiotic component in the pond ecosystem.
c) If the fish are given more food, then they will be happier.
d) If the frogs are startled, then they will jump into the water.

Use the list shown below to answer the following problem:

Observations:

a) two grey wolves
b) five moose
c) several species of conifer trees
d) large granite rock
e) shallow pond

problem 2: A student wrote several observations in a field notebook. Which term best classifies all of the student’s observations?

a) Population
b) Food chain
c) Ecosystem
d) Community

problem 3: A researcher observing an ecosystem describes the amount of sunlight, precipitation and kind of soil present. Which factors is the researcher most likely describeing?

a) biotic factors in a forest
b) biotic factors in a tundra
c) abiotic factors in a prairie
d) abiotic factors in an ocean

problem 4: A species of snapping turtles has a tongue which resembles a worm. The tongue is used to attract the small fish. Which best describes the interaction between the fish and the snapping turtle?

a) predation
b) symbiosis
c) parasitism
d) competition

problem 5: Which statement correctly describes how nitrogen in the soil returns to atmosphere?

a) Soil bacteria transform nitrates into nitrogen gas.
b) Decomposers directly transform ammonium into nitrogen gas.
c) Plants assimilate nitrites and transform them into nitrogen gas.
d) Nitrogen-fixing bacteria in plant roots transform nitrates into nitrogen gas.

Use the diagram below to answer the given problem:

2327_marine food web.jpg

problem 6: Which sequence correctly describes the flow of energy between organisms in the marine food web?

a) from seals to penguins to krill
b) from whales to krill to small fish
c) from sea birds to seals to penguins
d) from small fish to penguins to seals

problem 7: Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae populations to greatly increase. Which effect does this change in the algae population sizes most likely have on influenced lakes and streams?

a) an increase in water level
b) an increase in water clarity
c) a reduction in dissolved oxygen required by fish and shellfish
d) a reduction in temperature variations close to the water’s surface

problem 8: A farmer observed that a raise in a field’s soil nitrogen content was followed by a raise in producer productivity. What does this observation most likely point out about the relationship between nitrogen and the producers in the field?

a) Nitrogen was a biotic factor.
b) Nitrogen was a limiting factor.
c) Nitrogen became a surplus resource.
d) Nitrogen became a selection pressure.

problem 9: What interaction is shown between the lion and the zebra in the picture above?

1978_predator-prey.jpg

a) Predator/prey
b) parasite/host
c) consumer/decomposer
d) consumer/producer

problem 10: Mute Swans are one of the heaviest flying birds and consume up to 8 pounds of vegetation each day. How will the migration of Mute Swans into an area most likely affect the birds native to that area?

a) The native birds and Mute Swans will coexist peacefully altogether.
b) The native birds will instantly migrate to the other area.
c) The native birds will reduce in number as there is not enough food for all the birds.
d) The native birds will adapt to consume less food or various types of food.

Homework Help/Study Tips, Others

  • Category:- Homework Help/Study Tips
  • Reference No.:- M96536

Have any Question? 


Related Questions in Homework Help/Study Tips

Assignmentfirst two highlighted questions need to be 150

Assignment First two highlighted questions need to be 150 words or more.. all others only need to be 50 words or more... Between a periodic physical inventory and a computer-track inventory, which has more value and why ...

Course design modelshow your course is organized and how

Course Design Models How your course is organized and how students navigate through the course are important factors of the course design. Online and hybrid courses can be designed using several different models or schem ...

Response should be a half page each apa format please and

Response should be a half page each, APA format please and provide reference (1) Describe what life span considerations you might use in applying the nursing process to infants, school-age children, younger adults, and o ...

Always be as specific in your language as possible when

Always be as specific in your language as possible when making your argument. Refer to specific visual details. You should discuss the images in terms of formal elements and concepts addressed in class (e.g. artistic mov ...

Conflict is often a part of change and as a human services

Conflict is often a part of change, and as a human services professional influencing change, knowing how you respond to conflict is essential. This self-awareness of your conflict-handling skills will help you better bui ...

Briefly describe a time when you were part of a

Briefly describe a time when you were part of a dysfunctional team. Why was it dysfunctional? Give specific examples. How was the team brought back together? If the team remained dysfunctional, what would you have sugges ...

Research subject the impact of festivals on promoting

Research Subject: The Impact of Festivals on promoting cultural tourism "The case of the Dhow Festival at the Cultural Village Foundation, Katara, Qatar" The event is taking place once a year during the 2nd week of Novem ...

Q1 describe some of the ancient greek writers scientists

Q1. Describe some of the Ancient Greek writers, scientists, and philosophers and their works. Which one had the greatest impact, and why? Your response should at least 300 words in length. Q2. Discuss the rise of the Per ...

This assignment requires you to examine your cultural

This assignment requires you to examine your cultural values about developmental norms for young adults. Many young adults continue their identity search, especially for vocational and relational identities. Cultural gro ...

Current issues in the behavioral healthcare systemin the

Current Issues in the Behavioral Healthcare System In the project assignments of the past four weeks, you have written on various topics dealing with trends and issues in the behavioral healthcare system. Those weekly pr ...

  • 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