CSET Multiple Subject: Life Science

Instructions:

• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is a hypothesis?
Process by which a cell captures the energy in sunlight and uses it to make food
Asexual and sexual
A testable explanation of a question or problem
Flowering plants; sexual (female pistol and male stamen)


2. How do mammals reproduce?
Prophase - metaphase - anaphase - and telephase
Sexual and asexual
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
Sexually


3. What is a dominant gene?
Asexual and sexual
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
The gene that shows up
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction


4. What is a genotype?

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5. What are the most important organelles in an animals cell?
Sexually
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane


6. Esophages
Long tube that connects the mouth and the stomach
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex
Complete metamorphosis - it's an amphbian (double life) Stage 1: egg hatches Stage 2: tadpole (looks like a fish) has a tail and no legs; breathes through gills (aquatic) Stage 3: grows legs - loses its gills and tails; starts breathing through nost
Body temperature (internal or external)


7. What is a symbolic relationship between organisms?
Transport hemoglobin - oxygen - food supply
Organisms live in close interaction with one another
Brain of the cell - DNA blueprint
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation


8. What happens in the telephase?
Asexual and sexual
Cutting action complete now - 2 cells are created
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Water; the most important factor in determining the distribution of plant life


9. Duck - billed platypus and the spiny anteater
What an organism looks like as a result of its genes
Only mammals that lay eggs
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
A blood vessel that carries blood to the heart


10. What are the two ways of reproduction?
Asexual and sexual
gets energy directly from the sun ex. green plants - grass - trees
Fight disease
Eats the producer ex. rabbit


11. What are veins?
How we react
A blood vessel that carries blood to the heart
Number of organelles
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation


12. How does blood circulate?
Organisms live in close interaction with one another
Only mammals that lay eggs
The cell duplicates
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex


13. What is heredity?
A gene that is hidden by a dominant gene
A non symbiotic relationship in which a predator hunts prey
Powerhouses of the cell
Passing of traits from parents to their offspring


14. What is the digestive system responsible for?
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation
Breaking down and absorbing food
A testable explanation of a question or problem
An organism's combination of genes for a trait


15. Small intestines
Largest part of the brain; controls the way we think - learn - remember - and feel. Controls muscles that let you move body parts - interprets messages from the sense organs. It's divided into two halves; left controls activities on the right side of
Sexual and asexual
Absorbs the nutrients
Organisms live in close interaction with one another


16. What is adaptation?
Lies beneath the cerebrum and controls balance; helps muscles work together
Process by which a cell captures the energy in sunlight and uses it to make food
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex
How we adapt to our environment


17. What are arteries?
Fight disease
Selectively permeable - lets things in and out
Process by which a cell captures the energy in sunlight and uses it to make food
A blood vessel that takes carries blood away from the heart


18. What is a phenotype?
What an organism looks like as a result of its genes
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Complete metamorphosis - changes in form during development in which earlier stages do not look like the adult. Stage 1: butterfly egg hatches into a caterpillar Stage 2: caterpillar feeds on leaves - molting several times as it grows Stage 3: when a
Eats the primary producer ex. snake


19. What determines the types of organisms an ecosystem can support?
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
Lower part of the large intestines where feces is stored
Lies beneath the cerebrum and controls balance; helps muscles work together
Water; the most important factor in determining the distribution of plant life


20. Algae
Oldest organism; asexual
Vacuole - chloroplast - cell wall
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation
removes water from undigested material - returning the water to the body


21. Finches
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Different shapes and sizes of their beaks; eating insects vs eating seeds
Mucus lining
Sexual and asexual


22. Angiosperms
Flowering plants; sexual (female pistol and male stamen)
Everything in the membrane
Genetic material lines up spindile starts to grow
One member benifits and one is harmed ex. tape worm living in an animal's intestines - the animal is harmed - but the tape worm benifit because it gets food in the intestines


23. What is natural selection?
Animals and plants take in oxygen and use it to reverse the chemical reaction to photosynthesis - breaking down carbohydrates and releasing energy stored in their chemical bonds
Prophase - metaphase - anaphase - and telephase
Number of organelles
Explains how evolution occurs - the process by which organisms best suited to the environment survive - reproduce - and pass their genes to the next generation - ex. snakes that have a specialized upper tooth to cut their way out of their shell; thus


24. What happens in metaphase?
Selectively permeable - lets things in and out
Genetic material lines up spindile starts to grow
The cell duplicates
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly


25. Decomposer
A model used to represent crosses between organisms
Oldest organism; asexual
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane


26. Large intestines
removes water from undigested material - returning the water to the body
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly


27. What is the nucleus?
Offspring are exact copies of the parent; lacks diversity - respond to changes in the environment; if a change kills one of the offspring - it will probably kill them all
How we adapt to our environment
Lies under the cerebellum; connects the brain and spinal cord. Controls the automatic activities of the body (heart rate - gland secretions - digestion - resptration - and circulation
Brain of the cell - DNA blueprint


28. What is mitosis?

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29. What do white blood cells do?
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Selectively permeable - lets things in and out
Fight disease
Named for mammary glands; milk producing - have hair covering most of their bodies; helps keep heat in - have lungs - warm - blooded; body temperature that stays the same - young develops inside their mother (except animal species kangaroos and oposs


30. What is chlorophyll? and where is it stored?

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31. What is osmosis?
How we adapt to our environment
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Lower part of the large intestines where feces is stored
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity


32. Salivary glands
Sexual and asexual
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
beginning stage of digestion - coats the food


33. Krebb Cycle
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Chemical plants use to absorb solar energy - it's stored in chloroplasts
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation


34. What makes up the nervous system?
gets energy directly from the sun ex. green plants - grass - trees
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Brain - spinal cord - and other nerves
Sexual and asexual


35. What is the chloroplast?

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36. Gymnosperms

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37. What is commensalism?
Water; the most important factor in determining the distribution of plant life
Process by which a cell captures the energy in sunlight and uses it to make food
Different shapes and sizes of their beaks; eating insects vs eating seeds
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation


38. During photosynthesis what do plants do?
It's green and holds chlorophil
Long tube that connects the mouth and the stomach
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
Different shapes and sizes of their beaks; eating insects vs eating seeds


39. Primary consumer
Eats the producer ex. rabbit
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
A habitat that provides food - water and a method of maintaining homeostasis and reproducing


40. System of classification?
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex
Selectively permeable - lets things in and out
Explains how evolution occurs - the process by which organisms best suited to the environment survive - reproduce - and pass their genes to the next generation - ex. snakes that have a specialized upper tooth to cut their way out of their shell; thus
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species


41. Stomach
Mucus lining
Long tube that connects the mouth and the stomach
A sex cell - such as sperm or egg
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature


42. What are the stages of cell division?
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Chemical plants use to absorb solar energy - it's stored in chloroplasts
Sexual and asexual
Prophase - metaphase - anaphase - and telephase


43. Life cycle of a frog

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44. What is a scientific theory?
Both members benefit (mutual benefit)
Transport hemoglobin - oxygen - food supply
Animals and plants take in oxygen and use it to reverse the chemical reaction to photosynthesis - breaking down carbohydrates and releasing energy stored in their chemical bonds
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation


45. Disadvantage to asexual reproduction
Offspring are exact copies of the parent; lacks diversity - respond to changes in the environment; if a change kills one of the offspring - it will probably kill them all
beginning stage of digestion - coats the food
Selectively permeable - lets things in and out
Organisms tend to produce more offspring than can survive. ex. fish lay thousands of eggs - but only a few live to be adult fish. Individuals in a population have slight variations. ex. fish in a population differ slightly in color - length - fin siz


46. What happens during respiration?
Water; the most important factor in determining the distribution of plant life
Animals and plants take in oxygen and use it to reverse the chemical reaction to photosynthesis - breaking down carbohydrates and releasing energy stored in their chemical bonds
Lies beneath the cerebrum and controls balance; helps muscles work together
Sexual and asexual


47. Life cycle of a butterfly
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
Complete metamorphosis - changes in form during development in which earlier stages do not look like the adult. Stage 1: butterfly egg hatches into a caterpillar Stage 2: caterpillar feeds on leaves - molting several times as it grows Stage 3: when a
Not photo doesn't need light; asexual


48. Ferns
Lies beneath the cerebrum and controls balance; helps muscles work together
One member benifits and one is harmed ex. tape worm living in an animal's intestines - the animal is harmed - but the tape worm benifit because it gets food in the intestines
Sexual and asexual
Lower part of the large intestines where feces is stored


49. DNA
A blood vessel that takes carries blood away from the heart
Pumping blood to all the tissues of the body
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Everything in the membrane


50. Where are red and white bloods formed?
Vacuole - chloroplast - cell wall
A blood vessel that carries blood to the heart
Bone marrow
How we react