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 descent with modification?
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
The gene that shows up
Selectively permeable - lets things in and out
Sexually


2. What is meiosis?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
A blood vessel that carries blood to the heart
Prophase - metaphase - anaphase - and telephase
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


3. brain stem
Mucus lining
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
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
Vacuole - chloroplast - cell wall


4. What happens during respiration?
Genetic material lines up spindile starts to grow
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
What an organism looks like as a result of its genes
Everything in the membrane


5. Salivary glands
beginning stage of digestion - coats the food
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
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


6. Algae
Large storage container fluid
Oldest organism; asexual
Powerhouses of the cell
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


7. Life cycle of a frog

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8. What is cytoplasm?
Everything in the membrane
Body temperature (internal or external)
Large storage container fluid
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


9. cerebrum

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10. Where are red and white bloods formed?
Prophase - metaphase - anaphase - and telephase
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
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
Bone marrow


11. What are the two ways of reproduction?
Breaking down and absorbing food
Number of organelles
Asexual and sexual
Flowering plants; sexual (female pistol and male stamen)


12. What makes up the nervous system?
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
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
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
Brain - spinal cord - and other nerves


13. What is mitosis?

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14. What is parasitism?

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15. What are the most important organelles in an animals cell?
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
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
What an organism looks like as a result of its genes
Vacuole - chloroplast - cell wall


16. What are the different types of reproduction in plants?
Sexual and asexual
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
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
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


17. What are the factors affecting plant growth?
Cutting action complete now - 2 cells are created
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
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
The cell duplicates


18. What is commensalism?
Bone marrow
Outside the cell membrane and hold structure
Only mammals that lay eggs
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


19. What is the circulatory system responsible for?
Different shapes and sizes of their beaks; eating insects vs eating seeds
Pumping blood to all the tissues of the body
A testable explanation of a question or problem
Genetic material lines up spindile starts to grow


20. Decomposer
A model used to represent crosses between organisms
Long tube that connects the mouth and the stomach
What an organism looks like as a result of its genes
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer


21. What is adaptation?
Water; the most important factor in determining the distribution of plant life
A non symbiotic relationship in which a predator hunts prey
It's green and holds chlorophil
How we adapt to our environment


22. Duck - billed platypus and the spiny anteater
Chemical plants use to absorb solar energy - it's stored in chloroplasts
Cell starts to split
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Only mammals that lay eggs


23. 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
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
Lower part of the large intestines where feces is stored
Cutting action complete now - 2 cells are created


24. DNA
Long tube that connects the mouth and the stomach
Way of using energy
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
The gene that shows up


25. What do organisms need?
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
What an organism looks like as a result of its genes
Process by which a cell captures the energy in sunlight and uses it to make food
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly


26. What makes up a plant cell that's diffenerent than an animal cell?
Vacuole - chloroplast - cell wall
Oldest organism; asexual
Transport hemoglobin - oxygen - food supply
Prophase - metaphase - anaphase - and telephase


27. What is osmosis?
Cell starts to split
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
Pumping blood to all the tissues of 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


28. cerebellum
Sexual and asexual
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
How we adapt to our environment
Lies beneath the cerebrum and controls balance; helps muscles work together


29. What is the chloroplast?

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30. Stomach
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
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Mucus lining
Pumping blood to all the tissues of the body


31. What is heredity?
Selectively permeable - lets things in and out
Passing of traits from parents to their offspring
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
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly


32. Advantages and disadvantages of sexual reproduction?
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
removes water from undigested material - returning the water to the body
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


33. Photosynthesis
Water; the most important factor in determining the distribution of plant life
beginning stage of digestion - coats the food
Process by which a cell captures the energy in sunlight and uses it to make food
A model used to represent crosses between organisms


34. What is predation?
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
A blood vessel that takes carries blood away from the heart
A non symbiotic relationship in which a predator hunts prey
Eats secondary consumer ex. hawk


35. What is the cell wall?
Outside the cell membrane and hold structure
Brain - spinal cord - and other nerves
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
RNA translate creating proteins


36. What is the nucleus?
How we react
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
Brain of the cell - DNA blueprint
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


37. What are the 7 major characteristics of life?
Water; the most important factor in determining the distribution of plant life
A model used to represent crosses between organisms
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction


38. What is mitrochondria?
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
Brain - spinal cord - and other nerves
Sexually
Powerhouses of the cell


39. During photosynthesis what do plants do?
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Powerhouses of the cell
A model used to represent crosses between organisms
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates


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

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41. What determines the types of organisms an ecosystem can support?
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
Outside the cell membrane and hold structure
Water; the most important factor in determining the distribution of plant life
Breaking down and absorbing food


42. What do white blood cells do?
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
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
Fight disease
Process by which a cell captures the energy in sunlight and uses it to make food


43. What is the digestive system responsible for?
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Fight disease
A non symbiotic relationship in which a predator hunts prey
Breaking down and absorbing food


44. Tertiary consumer
Body temperature (internal or external)
Eats secondary consumer ex. hawk
Organisms live in close interaction with one another
A blood vessel that takes carries blood away from the heart


45. What happens in the anaphase?
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
removes water from undigested material - returning the water to the body
The cell duplicates
Cell starts to split


46. What happens in prophase?
The cell duplicates
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
Genetic material lines up spindile starts to grow
gets energy directly from the sun ex. green plants - grass - trees


47. What do red blood cells do?
Transport hemoglobin - oxygen - food supply
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Sexually
A sex cell - such as sperm or egg


48. What is a punnett square?
Powerhouses of the cell
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
A model used to represent crosses between organisms
Oldest organism; asexual


49. What is a hypothesis?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
A testable explanation of a question or problem
Eats the primary producer ex. snake
removes water from undigested material - returning the water to the body


50. What happens in the telephase?
Organisms live in close interaction with one another
Eats secondary consumer ex. hawk
Cutting action complete now - 2 cells are created
Mucus lining