Science Final

Question 1

ecology

Answer 1

interaction between and among organisms and their environment or surroundings

Question 2

ecosystem

Answer 2

something that can support life

Question 3

metobolic functions

Answer 3

chemical reactions that keep your body alive

Question 4

autotrophs

Answer 4

trap sunlight and change the sun’s energy into organic compounds

Question 5

compounds

Answer 5

two or more elements brought together by a chemical bond

Question 6

heterotrophs

Answer 6

rely on the plant’s preformed organic compounds

Question 7

biomass

Answer 7

the amount of living tissue

Question 8

hot spot

Answer 8

will turn into deadzone if it is unchecked

Question 9

emigration

Answer 9

permanent exit of an ecosystem

Question 10

limiting factor

Answer 10

stops growth of a species

Question 11

density

Answer 11

amount of objects in a certain area

Question 12

carrying capacity

Answer 12

amount of resources in an ecosystem to support the survival of organisms living there

Question 13

predation

Answer 13

predator prey relationship keeps a healthy ecosystem

Question 14

symbioisis

Answer 14

specific relationships between two individuals of different species

Question 15

mutualism

Answer 15

both benefit

Question 16

commensalism

Answer 16

predator benefits, host not effected

Question 17

parasitism

Answer 17

predator benefits, host injured

Question 18

stress

Answer 18

body releasing enzymes

Question 19

ecological succession

Answer 19

how an ecosystem will heal itself after an event

Question 20

primary succession

Answer 20

earth has to start from the beginning

Question 21

hormones

Answer 21

chemicals that allow the brain to communicate with the rest of the body

Question 22

polarity

Answer 22

uneven charge distribution on a compound

Question 23

ionic solutes

Answer 23

made of ions, charged atoms, one negative, one positive

Question 24

heterogeneous

Answer 24

different throughout, no specific ratio

Question 25

homogeneous

Answer 25

same throughout

Question 26

nucleotides

Answer 26

building block of nucleic acid

Question 27

nucleic acid

Answer 27

cell function code

Question 28

polimerization

Answer 28

two small units and putting them together to form a polimer

Question 29

hydrolosis reaction

Answer 29

breaking down a large molecule to form smaller ones and causing the large one to be unstable

Question 30

activated complex

Answer 30

when the molecule is given enough energy that bonds break and become unstable

Question 31

activation energy

Answer 31

energy needed to produce an activated complex

Question 32

chemosynthesis

Answer 32

unicellular organisms obtain energy from inorganic compounds

Question 33

stimulus

Answer 33

a change to the environment

Question 34

sexual reproduction

Answer 34

two cells, two sets of DNA, similar offspring

Question 35

asexual reproduction

Answer 35

one cell, one set of DNA, identical offspring

Question 36

cytoplasm

Answer 36

jelly like substance that transfers

Question 37

cytoskeleton

Answer 37

network of protein fillaments, maintains shape and structure

Question 38

ribosome

Answer 38

synthesis of proteins using codes from RNA

Question 39

endoplasmic reticulum

Answer 39

movement of materials

Question 40

golgi bodies

Answer 40

package and transport materials in the cell, especially proteins

Question 41

lysosomes

Answer 41

cell waste disposal system

Question 42

vacuoles

Answer 42

storage for water, salts, proteins, carbs

Question 43

mitochondria

Answer 43

powerhouse of the cell, convert energy from food into ATP

Question 44

diffusion

Answer 44

the movement of molecules across a membrane from an area of high to low concentration

Question 45

osmosis

Answer 45

diffusion of water across a membrane

Question 46

photosynthesis

Answer 46

stores energy, only in plants, takes place in chloroplasts

Question 47

respiration

Answer 47

releases energy

Question 48

photolysis

Answer 48

water molecule is split by the sun's energy to give the plant hydrogen

Question 49

stomata

Answer 49

found on leaves, let in carbon dioxide, let out oxygen and water

Question 50

mitosis

Answer 50

process through which a body cell replicates itself, produces two new body cells

Question 51

DNA

Answer 51

a broad code found on chromosomes

Question 52

chromotine

Answer 52

a stretched out chromosome

Question 53

chromatid

Answer 53

duplicated chromosome

Question 54

meiosis

Answer 54

production of gametes, one duplication of DNA, two cell divisions

Question 55

gonad

Answer 55

a sex organ

Question 56

heredity

Answer 56

process by which traits are passed on from one generation to another

Question 57

gene

Answer 57

structure that contains the code for every trait

Question 58

mutation

Answer 58

change in the sequence of nitrogen bases

Question 59

deletion

Answer 59

lost part or all of the code

Question 60

insertion

Answer 60

segment is repeated

Question 61

melanocytes

Answer 61

produce melonin which protects skin from UV rays

Question 62

cartilage

Answer 62

a specific connective tissue that connects bones together

Question 63

ligaments

Answer 63

stretchy connective tissue that connects bone to bone

Question 64

ovulation

Answer 64

when the egg is released from the follicle and ovary

Question 65

evolution

Answer 65

structural, functional, behavioral changes in a living organism that develop overtime to allow that living organisms to survive and reproduce