What is a system?
A system is a collection of interacting objects, ideas, and/or procedures that together define a physical entity or process.
What is a Food Web?
Movement of energy through multiple organisms.
What are the basic needs of cells?
All cells have basic needs: water, food, gas exchange, and waste disposal.
What is the process called when plants make their own food?
Photosynthesis.
What are the five senses?
What are the four layers of the Earth?
Earth can be described as the interaction of four earth systems: the rocky part (the geosphere), the atmosphere, the water (the hydrosphere), and the complexity of living organisms (the biosphere).
What happens to a food web when a organism dies suddenly?
The rest of the food web will suffer and potentially die as well.
What does the digestion system do?
The Digestion system breaks down complex food items into simple nutrients.
What makes plants green?
Chlorophyll
What is a response?
A response is a reaction of a living thing to a stimulus.
Give an example of a system used in a classroom.
Teacher decides.
What happens when a organism in a food web has more offspring than expected?
There will become a shortage in the organisms prey.
What does the respiratory system do?
The respiratory system transports oxygen to the blood and carbon dioxide from the blood.
What chemical do plants release?
Oxygen
What is a stimulus?
A stimulus is something that triggers (starts) a response. A stimulus is often information received through the senses.
What are three systems in the human body?
Skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and the reproductive system
What types of organisms are involved in a food web?
Food webs are made up of producers, consumers, and decomposers.
In the human circulatory system, what does blood transport?
In the human circulatory system, blood transports resources to the cells and waste from the cells.
What do plants use to create "food"?
Why do animals communicate?
Animals communicate to warn others of danger, scare predators away, or locate others of their kind, including family members.
How do animals obtain nutrients?
By eating other organisms.
What organ has the left ventricle and right ventricle?
The heart
In vascular plants, xylem tubes do?
In vascular plants, xylem tubes carry water and minerals from the plant’s roots to all the cells in a one way flow.
What does biotic and abiotic mean?
Marine ecosystems have biotic (living) and abiotic (nonliving parts).