Test Review 1
What is an abiotic factor in a desert ecosystem?
Sunlight, air, rocks, sand, etc.
True or false: Once energy reaches the top of a food chain, it flows back down the food chain and back to the sun.
False
What is a biotic factor in an ocean ecosystem?
Fish, seaweed, etc.
What is the term for an animal who eats only plants?
Herbivore
What is the longest river in the world?
The Nile River
What is the definition of a population?
Multiple organisms in the same species.
What is an invasive species?
What is the definition of an ecosystem?
All the living and nonliving things in an area.
What is an apex predator?
An animal that is not eaten by anything in their ecosystem - the top of the food chain.
Which ocean can fit all of Earth's land mass inside of it?
Pacific
What type of organism must directly follow the sun in a food chain/web?
Plant/producer
What level of organization is the next largest after population?
Community
Generally, plants are considered what: consumer, producer, decomposer?
Producer
An earthworm helps break down matter and returns nutrients to the soil.
Is an earthworm a: producer, consumer, or decomposer?
decomposer
How many time zones does Russia span?
11
How is an ecosystem considered a system?
All parts of an ecosystem must work together for it to be successful.
In an ocean ecosystem, what might happen if all sharks suddenly die?
Increased number of fish, decreased number of sea plants, etc
A tadpole, which eats algae and pond snails, would be considered which of the following: producer, consumer, decomposer
If there are 7 resources and 9 deer in an ecosystem, what will happen?
The deer will compete for resources, and 2 deer will not be able to survive.
What is the only continent to span all four hemispheres?
Africa
What are three solutions to any invasive species we have learned about?
Honeysuckle: Educate others, pull out the honeysuckle, controlled burns, etc.
Asian carp: increase fishing licenses, electric fences (fish fry), catch and eat, etc.
What will happen to native plants if honeysuckle is introduced into the ecosystem?
It will take all of the resources and kill native plants.
Create a food web using the following organisms starting with the sun:
Beetle, hawk, snake, lizard, fox, leaves
Sun --> leaves --> beetle --> lizard --> snake --> hawk/fox
In a savanna ecosystem, what two animals might have to compete for the same resource? What resource are they competing for?
Gazelle and zebra might compete for grass.
What is the smallest country in the world?
Vatican City