Show:
5.9A- Interdependency
5.9B- Food Webs
5.9C- Environmental Changes
5.9D- Carbon-Dioxide and Oxygen Cycle
STAAR Questions
100
This means all of the living and non-living things and all of their interactions in an area.
Ecosystem
100
This vocabulary word means a path of energy transfer from one organism to another.
Food Chain
100
This vocabulary word means the space, conditions, and all the living and nonliving things around an organism.
Environment
100
This means the movement of carbon dioxide and oxygen on Earth by the processes of respiration and photosynthesis.
Carbon Dioxide - Oxygen Cycle
100
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants? A By returning nutrients to the soil B By releasing oxygen into the air C By making space for new animals D By decreasing the population of herbivores
A By returning nutrients to the soil
200
This is characterized by growing, changing, reproducing, and creating waste. 
Living
200
This vocabulary word means an interconnected set of food chains.
Food Web
200
This vocabulary word means direct effect or change.
Impact
200
This is a waste product produced by plants during photosynthesis that animals use for respiration.
Oxygen
200
In a food chain, energy does NOT flow directly from- F producer to decomposer G producer to consumer H consumer to decomposer J consumer to producer
J consumer to producer
300
This vocabulary word means a part of the ecosystem that is not living, such as sunlight, air (includes oxygen and carbon dioxide), water, rocks, and soil.
Non Living
300

A type of organism is missing from the food chain shown below.

 _____ --> Grasshopper -->Frog --> Great Blue Herons

What type of organism is missing?

Producer
300
What is a disadvantage of a forest being cut down?
Loss of habitat and increase in carbon dioxide in the air. 
300
This is a gas given off by animals; used in photosynthesis to produce sugars.
Carbon Dioxide
300
These wild hogs eat many different kinds of foods, including plants, fungi, and insects. Besides being very destructive to the habitats of other animals, how do wild hogs most likely harm other animals. A By competing with other animals for food B By moving slower than most other animals C By causing other animals to reproduce more D By eating foods that no other animals eat
A By competing with other animals for food
400
This vocabulary word means single, self-contained living thing.
Organism
400
Which of the following returns nutrients to the food chain?


Lion  Moss  Bacteria  Mouse

Bacteria
400
This vocabulary word means all of the interacting members of the same species in an area.
Population
400

This is the process where plants use sunlight, water, and carbon dioxide to produce sugar and release oxygen.


Photosynthesis

400
Animals and plants use substances that cycle through the environment. Which substance is needed by plants to survive and is released into the environment by animals? 
 Carbon Dioxide
500

describes a way that animals depend on nonliving things for survival in their environment

Answers will vary
500
If no more carrots can be found in the environment, what would happen to the population of the foxes?
The population would go down. 
500
This vocabulary word means an increase in the number of individuals of a given species over what its ecosystem can sustain, often with both direct and indirect effects on other organisms in the ecosystem.
Overpopulation
500

This is a process by which animals use oxygen and food to make energy and carbon dioxide.

Respiration

500

Zebra mussels, which are named for their zebra-like stripes and are similar to a clam, have recently shown up in North Texas area lakes. These mussels are a concern for area lakes due to their ability to wipe out native mussels and destroy a lake’s ecosystem. Which of the following is the testable variable in an investigation that asks the question, “What chemicals can be placed in water to keep zebra mussels away?”

The chemical added to the water