Ecology Review Scenario Scenario: Since you love oranges, you decided to grow a beautiful orange tree in your back yard. As the tree grew big, you noticed a family of rats eating the fruits on your orange tree. As you were watching them feast on the oranges, you noticed your cat sneak up on the family and eat one of the rats. As the cat took a nap in the backyard, an invasive python attacked and swallowed you pet cat whole. Furiously, you ran out into the yard and killed the python. To avenge the death of your cat, you ate the python for dinner. Directions: Step 1 (Food Chain): Place the organisms from the above scenario into the correct place in the food chain below. Then right their names in the table below and identify the trophic level of each organism. Step 2 (Energy Pyramid): Write the organisms from your food chain on the correct spaces on the pyramid. Then on the left table discover how much energy would be found in each trophic level if there are 500 kcals of energy in the primary consumer level. Step 3 (Biomagnification): Read the problem and fill in the correct numbers in the blank spaces to discover how pollution moves through a food chain. Step 4 (Application): Read the problem and clearly explain your answer! Food Chain: → Organism Trophic Level Energy Pyramid As you move up the pyramid: % Energy Lost = % Energy Moved Up = Trophic Level Amount of Energy

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Biomagnification: DDT is a pesticide used to kill insects on your orange tree.
This is poisonous to consume. Each orange contains 1 DDT particles. If the rat eats 5 oranges
it will have ______ DDT particles in its body. If the cat eats 10 rats, it will have ______ DDT
in its body. If the python eats 20 cats, it will have ______ DDT in its body. If you eat 4
pythons, you will have ______ DDT in your body.
Overall, as you move up a food chain the amount of pollution / poison in each trophic level
will _________________.
Application: Answer the following question based on your food chain above.
Suppose a deadly disease wiped out all of the pythons in the food chain. How would this affect
the population of the other 4 organisms? Why?
Answer =

Energy Pyramid
As you move up the pyramid:
% Energy Lost =
% Energy Moved Up =
Trophic
Level
Amount of
Energy

Ecology Review Scenario
Scenario: Since you love oranges, you decided to grow a beautiful orange tree in your
back yard. As the tree grew big, you noticed a family of rats eating the fruits on your orange
tree. As you were watching them feast on the oranges, you noticed your cat sneak up on the
family and eat one of the rats. As the cat took a nap in the backyard, an invasive python
attacked and swallowed you pet cat whole. Furiously, you ran out into the yard and killed the
python. To avenge the death of your cat, you ate the python for dinner.
Directions: Step 1 (Food Chain): Place the organisms from the above scenario into
the correct place in the food chain below. Then right their names in the table below and
identify the trophic level of each organism. Step 2 (Energy Pyramid): Write the organisms
from your food chain on the correct spaces on the pyramid. Then on the left table discover
how much energy would be found in each trophic level if there are 500 kcals of energy in the
primary consumer level. Step 3 (Biomagnification): Read the problem and fill in the correct
numbers in the blank spaces to discover how pollution moves through a food chain. Step 4
(Application): Read the problem and clearly explain your answer!
Food Chain:
Organism
Trophic Level
Energy Pyramid
As you move up the pyramid:
% Energy Lost =
% Energy Moved Up =
Trophic
Level
Amount of
Energy

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