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. During photosynthesis what do plants do?
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
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
An organism's combination of genes for a trait
In plants - the process of storing energy through photosynthesis and later releasing it through respiration


2. DNA
Breaking down and absorbing food
Long tube that connects the mouth and the stomach
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
Deoxyribonucleic acid; this is where the genetic code of an organism is stored


3. What are the factors affecting plant growth?
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
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
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
gets energy directly from the sun ex. green plants - grass - trees


4. What is a punnett square?
Organisms live in close interaction with one another
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
Transport hemoglobin - oxygen - food supply
A model used to represent crosses between organisms


5. How does blood circulate?
Selectively permeable - lets things in and out
Brain of the cell - DNA blueprint
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
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


6. What is the chloroplast?


7. Decomposer
Way of using energy
Cerebrum - cerebellum - brain stem
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
A gene that is hidden by a dominant gene


8. Ferns
Sexual; cone barring seed that's fertilized
Sexual and asexual
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Absorbs the nutrients


9. What is the circulatory system responsible for?
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
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
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Pumping blood to all the tissues of the body


10. Secondary consumer
Eats the primary producer ex. snake
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
Outside the cell membrane and hold structure
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


11. What is predation?
Eats the primary producer ex. snake
A non symbiotic relationship in which a predator hunts prey
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Mucus lining


12. What is cytoplasm?
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
Large storage container fluid
Everything in the membrane
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


13. Where are red and white bloods formed?
Passing of traits from parents to their offspring
Bone marrow
Eats the primary producer ex. snake
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction


14. cerebrum


15. Salivary glands
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Only mammals that lay eggs
beginning stage of digestion - coats the food
Genetic material lines up spindile starts to grow


16. What happens in the telephase?
Only mammals that lay eggs
Chemical plants use to absorb solar energy - it's stored in chloroplasts
Cutting action complete now - 2 cells are created
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates


17. What is mitrochondria?
Powerhouses of the cell
Fight disease
Lower part of the large intestines where feces is stored
Lies beneath the cerebrum and controls balance; helps muscles work together


18. What is the nucleus?
Genetic material lines up spindile starts to grow
Brain of the cell - DNA blueprint
Everything in the membrane
Both members benefit (mutual benefit)


19. What is a recessive gene?
Number of organelles
A gene that is hidden by a dominant gene
Bone marrow
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


20. What are the 5 steps in Photosynthesis?
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
Everything in the membrane
Transport hemoglobin - oxygen - food supply
1) Transporting water and nutrients 2) Light energy from the sun 3) Carbon dioxide from the air 4) Back to the transport system 5) From plant food to your table


21. What is the cell wall?
A gene that is hidden by a dominant gene
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
Outside the cell membrane and hold structure
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane


22. Rectum
Lower part of the large intestines where feces is stored
Fight disease
beginning stage of digestion - coats the food
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


23. Stomach
Mucus lining
Vacuole - chloroplast - cell wall
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
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


24. Gymnosperms


25. Finches
Different shapes and sizes of their beaks; eating insects vs eating seeds
beginning stage of digestion - coats the food
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
Mucus lining


26. Large intestines
removes water from undigested material - returning the water to the body
Lower part of the large intestines where feces is stored
Large storage container fluid
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


27. What happens in metaphase?
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Genetic material lines up spindile starts to grow
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
The gene that shows up


28. What is natural selection?
Passing of traits from parents to their offspring
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
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
Cerebrum - cerebellum - brain stem


29. What are the ribosomes?
RNA translate creating proteins
Genetic material lines up spindile starts to grow
Brain of the cell - DNA blueprint
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


30. What do red blood cells do?
Transport hemoglobin - oxygen - food supply
It's green and holds chlorophil
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
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


31. Mammals
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
Absorbs the nutrients
Only mammals that lay eggs
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


32. What is gamete?
A blood vessel that takes carries blood away from the heart
A blood vessel that carries blood to the heart
A sex cell - such as sperm or egg
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates


33. Advantages to asexual reproduction


34. What are the three parts of the brain?
Pumping blood to all the tissues of the body
Cerebrum - cerebellum - brain stem
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
A model used to represent crosses between organisms


35. Small intestines
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
Absorbs the nutrients
beginning stage of digestion - coats the food
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates


36. What determines the types of organisms an ecosystem can support?
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Water; the most important factor in determining the distribution of plant life
Powerhouses of the cell
Pumping blood to all the tissues of the body


37. Gregor Mendel
Sexual; cone barring seed that's fertilized
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Absorbs the nutrients
Water; the most important factor in determining the distribution of plant life


38. What happens in the anaphase?
Both members benefit (mutual benefit)
Cell starts to split
Oldest organism; asexual
Process by which a cell captures the energy in sunlight and uses it to make food


39. What is the vacuole?
Prophase - metaphase - anaphase - and telephase
A gene that is hidden by a dominant gene
Large storage container fluid
Different shapes and sizes of their beaks; eating insects vs eating seeds


40. What is a hypothesis?
beginning stage of digestion - coats the food
A testable explanation of a question or problem
How we react
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


41. Darwin's theory of natural selection summarized
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
Sexual and asexual
RNA translate creating proteins
Long tube that connects the mouth and the stomach


42. What is parasitism?


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


44. What is osmosis?
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
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
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
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species


45. brain stem
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
Asexual and sexual
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
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates


46. Angiosperms
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Body temperature (internal or external)
Cerebrum - cerebellum - brain stem
Flowering plants; sexual (female pistol and male stamen)


47. What do white blood cells do?
Chemical plants use to absorb solar energy - it's stored in chloroplasts
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
Fight disease
Selectively permeable - lets things in and out


48. Esophages
beginning stage of digestion - coats the food
RNA translate creating proteins
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
Long tube that connects the mouth and the stomach


49. Producer
gets energy directly from the sun ex. green plants - grass - trees
Lies beneath the cerebrum and controls balance; helps muscles work together
Different shapes and sizes of their beaks; eating insects vs eating seeds
Fight disease


50. What happens during respiration?
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
Sexual and asexual
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
A non symbiotic relationship in which a predator hunts prey