The endocrine system is responsible for? A. Producing hormones B. digestion C. Producing rainbows. D. Breaking down nutrients
What is A. Producing hormones?
The organelle responsible for photosynthesis in plant cells is-
What is chloroplast
How much energy is passed up to each level in the food chain?
What is 10%
Factors such as weather, sunlight, and temperature that can affect the species in an ecosystem-
What is abiotic factors
The body's desire to maintain a stable internal environment. (balance)
What is homeostasis.
A segment of DNA that has information for a specific trait (characteristic)-
What is a gene?
This system is responsible for exchanging the gases CO2 and O2 A. Respiratory B. Circulatory C. Reproductive D. Digestive
What is A. Respiratory
Grouping cells together makes these-
What are tissues.
Which consumer would receive the greatest amount of energy captured by the producers in their food chains? A. Wedge-tailed eagles B. Chuditch C. Ring-tailed opossums D. Eucalyptus trees
What is C. Ring-tailed opossums
The number and variety of species in an area-
What is biodiversity
Factors that control a population's size in an ecosystem.
What are limiting factors?
What is Organelle 1
The Excretory System is responsible for: An object A. movement B. Removing Wastes from the body C. Responses to stimuli D. digestion
What is B. Removing Wastes from the body
Organisms in domain eukarya tend to be A. Multicellular B. Unicellular C. Simple D. Photosynthetic
What is A. Multicellular
Which two organisms in the food web compete for the same food source?
What is the frogs and snakes
Which ecosystem below is likely to be the LEAST sustainable?
What is ecosystem 1, because it has the fewest species.
Process by which organisms with certain traits survive and reproduce more successfully than others.
What is natural selection?
Which of the organisms can produce offspring that are genetically identical to the parent? (more than one)
What are the Amoebas, yeasts, hydras, and ferns
This body system controls fight or flight response and responses to external stimuli.
What is the nervous system.
This organelle converts food into useable energy for the cell.
What is mitochondria?
In the aquatic food web, which two organisms have a predator-prey relationship? A. Shad and Sturgeons B. Sturgeons and blue crabs C. Blue crabs and rangia clams D. Copepods and amphipods
What is C. Blue crabs and rangia clams
What is C. modify the area and allow larger and more complex organisms to appear.
A relationship that occurs when you go for a hike and a tick attaches to your ankle so it can feed on your blood.
Parasite-host
Genetic traits that help organisms survive in their environments.
What are adaptations?
This system carries nutrient rich blood throughout the body and then carries away waste from organs and tissue.
What is the circulatory system.
_________ cells have a nucleus and organelles, but __________ do NOT have a nucleus or organelles.
What is eukaryotic and prokaryotic.
How many organisms in this food web eat only producers?
What is 3
These (floods, volcanoes, fires) affect organsims and traits in subsequent populations.
What are Short and long term environmental changes?
Two reasons plant and animal cells are different
What is plant cells have chloroplasts and cell walls?
A process used to develop new organisms, such as cows or dogs, with desirable characteristics chosen by HUMANS.
What is selective breeding?