Ecosystems
Plants produce these two things during photosynthesis.
Glucose (or sugar) and oxygen
An organism that makes it own food.
Producer
Animals need energy for _______.
Invasive species have a __________ impact on ecosystems.
Negative
Bacteria, Fungi, and Insects are examples of:
Decomposers
The original source of energy for all organisms.
The sun.
The process by which light energy from the sun is converted into food.
Photosynthesis
grass---->insect----->bird------>owl
In this food chain, what are 2 things that would happen if all the insects caught a disease and died?
Humans
What part of the plant contains the chlorophyll?
The leaves
A special cell found in a plant leaf that is responsible for trapping sunlight during photosynthesis.
Chloroplast
What three things do plants need for growth and survival?
Air, Water, and Sunlight
The top of the food chain is usually a ______.
Apex predator or Tertiary Consumer
Humans destroy ecosystems by ____________.
Overhunting, overfishing, habitat destruction, pollution
What do the arrows in a food chain or food web represent?
Transfer of energy
A network of overlapping food chains.
A food web.
What in the air do plants require for photosynthesis?
Carbon dioxide
What is a predator?
An animal that hunts other animals for food
A community of interacting organisms.
An ecosystem
Herbivores, carnivores, and omnivores are all types of: a) producers b) consumers c) decomposers d) apex predators
b) Consumers
In an ocean ecosystem, which organism receives its energy directly from the sun? a) algae b) krill c) shark d) dolphin
a) algae
What is the most important thing that plants need to carry out photosynthesis?
Sunlight
Create a food chain: mouse, snake, hawk, acorns
acorns --> mouse --> snake --> hawk
What is a plant's waste product during photosynthesis?
Oxygen
An example of positive human impacts on ecosystems.
Creating green spaces, recycling, establishing parks and reserves.