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c

Chapter 1:Which of the following statements about the image shown below is not an observation?
a. the insect has three legs on the left side
b. the insect has a pattern on its back
c. the insects pattern shows that it is poisonous
d. the insect is green, white and black

quantitative observation

Chapter 1: the statement "the worm is 2cm long" is a
______________ _______________

b

Chapter 1: An inference is
a. the same as an observation
b. a logical interpretation of an observation
c. a statement involving numbers
d. a way to avoid bias

testable

Chapter 1:To be useful in science a hypothesis must be _____________.

spontaneous generation

Chapter 1: ___________ ___________ means living things can arise from nonliving matter.

b

Chapter 1: which of the following statements about controlled experiment is true.
a. all the variables must be kept the same
b. only one variable is tested at a time
c. scientists always use controlled experiments

scientific theory

Chapter 1: ________ _________ is a well tested explanation that unifies a broad range of observations

sexual reproduction

Chapter 1: The process in which cells from two different parents unite to produce the first cell of a new organism is called __________ ______________.

homeostasis

Chapter 1: the process by which organisms keep their internal conditions relatively stable is called _____________.

light microscope

Chapter 1: an instrument that produces images by focusing light rays is called a ________ ____________.

proton

Chapter 2: What is the positively charged particle in an atom?

compound

Chapter 2: Two or more different atoms are combined in definite proportions in any _____________.

sharing of electrons

Chapter 2: a covalent bond is formed by the ________________________.

mixture

Chapter 2: When you shake sugar and sand together in a test tube, you cause them to form a ___________.

acid

Chapter 2: A compound that produces hydrogen ions in solution is a _________.

monomers

Chapter 2: In polymerization complex molecules are formed by the joining together of ____________.

amino acid

Chapter 2: What does this represent?
H H O
] [ []
H --- N ----C----C-----OH
[
H----C---H
]
H

amino acids

Chapter 2: Proteins are polymers formed from ______ _______.

activation energy

Chapter 2: An enzyme speeds up a reaction by lowering the __________ _________.

active site

Chapter 2: In a chemical reaction, a reactant binds to an enzyme at a region known as the ___________.

biosphere

Chapter 3: All of life on Earth exists in a region known as the _____________.

community

Chapter 3: Groups of different species that live together in a defined area make up a ____________.

autotrophs

Chapter 3: __________ are organisms that use energy they take in from the environment to covert inorganic molecules into complex organic molecules

food chain

Chapter 3: The series of steps in which a large fish eats a small fish that has eaten algae is a ______ ______.

worms

Chapter 3:Which of the following organisms is a decomposer? Foxes, plants, worms, or birds?

biomass pyramid

Chapter 3:The total mass of living tissue at each trophic level can be show in _________ __________.

biogeochemical cycles

Chapter 3: Nutrients move through an ecosystem in _________________ __________.

change nitrogen gas into ammonia

Chapter 3: In the nitrogen cycle, bacteria that live on the roots of plants do what?

d

Chapter 3: Which biogeochemical cycle does NOT involve a stage where the chemical enters the atmosphere? A. water cycle B. Carbon Cycle C. Nitrogen cycle D. Phosphorus cycle

limiting nutrient

Chapter 3: When an ecosystem is limited by a single nutrient that either is scarce or cycles very slowly, this substance is called __________ __________.

climate

Chapter 4: the average year after year conditions of temperature and precipitation within a particular region are its ________.

temperature

Chapter 4: an increase in the greenhouse effect causes an increase in _______________.

ecosystem

Chapter 4: All the biotic and abiotic factors in a pond form a _______________.

commensalism

Chapter 4: A relationship in which one organism is helped and another organism is neither helped nor hurt is called ___________.

mutualism

Chapter 4: A form of symbiosis in which both organisms benefit is called ___________.

parisitism

Chapter 4: A type of symbiosis in which one organism benefits and the other is harmed is called __________.

succession

Chapter 4: Natural disturbances, such as fire or hurricanes, can result in ____________.

canopy

Chapter 4: In a tropical rain forest, the dense covering formed by the leafy tops of tall trees is called the _________.

benthos

Chapter 4: organisms that live near or on the ocean floor are called ________.

coastal ocean

Chapter 4: labeled in the diagram is coastal ocean!

nucleus

Chapter 7: In many cells, the structure that controls the cell's activities is the ________.

cell membrane

Chapter 7: Despite differences in size and shape, all cells have cytoplasm and a _____________.

eukaryote

Chapter 7: If a cell of an organism contains a nucleus, the organism is a(an) ___________.

chromosomes

Chapter 7: Distinct threadlike structures containing genetic information are called __________.

mitochondria

Chapter 7: Which organelle converts the chemical energy in food into a form that cells can use?

lipid bilayers

Chapter 7: Cell membranes are consisted mainly of _______ ___________.

osmosis

Chapter 7: The movement of water molecules across a selectively permeable membrane known as _______.

away from the area of where it is most concentrated

Chapter 7: A substance that moves across a cell membrane without using the cell's energy tends to move ____________________________________________________________________.

stomata

Chapter 7: Which cell helps in gas exchange in plants?

similar cells

Chapter 7: A tissue is composed of a group of ___________ ________.

b

Chapter 8: Which of the following are autotrophs?A)implants, B)plants, C)leopards, D)mushrooms

ATP

Chapter 8: One of the principle chemical compounds, that living things use to store energy is _____.

b

Chapter 8: Which Scientist concluded that most of a growing plant's mass comes from water?
A)Priestley, B)Van Helmont, C)Ingenhousz, D)Calvin

water and carbon dioxide

Chapter 8: In addition to light and chlorophyll, photosynthesis requires what?

green

Chapter 8: The leaves of plants appear green because chlorophyll reflects ______ light.

sugars and oxygen

Chapter 8: The products of photosynthesis are what?

Chloroplasts

Chapter 8: Which organelle contains chlorophyll?

light absorption

Chapter 8: The first processin the light-dependent reactions of photosynthesis is _______ ____________.

b

Chapter 8: Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin Cycle?--A)ADP, B)NADPH, C)H2O, D)pyruvic acid

calvin cycle

Chapter 8: The light-independent reactions of photosynthesis are also known as the ________ ______.

atp

Chapter 9: in cells, the energy available in food is used to make an energy-rich compound called ______.

glycolysis

Chapter 9: the first step in releasing the energy of glucose in the cell is known as __________.

cellular respiration

Chapter 9: the process that releases energy from food in the presence of oxygen is __________ ___________.

b.

Chapter 9:Which organism perform cellular respiration?
mushroom leaf polar bear flower
a. only a and c b. all of the above

2 ATP molecules

Chapter 9: The net gain of energy from glycolysis is ____ ______ ___________.

anaerobic

Chapter 9: because fermantation takes place in the absence of oxygen, it is said to be __________.

mitochondrion

Chapter 9: the Krebs cycle takes place within the _________________.

convert ADP to ATP

Chapter 9: the electron transport chain uses the high-energy electrons from the Krebs cycle to ________ ____ ___ ____.

cellular respiration

Chapter 9: a total of 36 molecules of ATP are produced from 1 molecule of glucose as a result of ___________ ___________.

oxygen debt

Chapter 9: during heavy exercise, the buildup of lactic acid in muscle cells results in __________ ______.

surface area

Chapter 10: the rate at which materials enter and leave through the cell membrane depends on the cells __________ ______.

2 daughter cells

Chapter 10: the process of cell division results in ____ _____________ ______.

centromere

Chapter 10: sisters chromatids are attached to each other at an area called the ___________.

12

Chapter 10: if a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?

chromatids

Chapter 10: At the beginning of cell division, a chromosome consists of two ___________.

prophase

Chapter 10: The phase of mitosis during which chromosomes become visible and the centrioles seperate from one another is __________.

metaphase

Chapter 10: know the illustration the best represents metaphase of mitosis. (type in metaphase)

cyclins

Chapter 10: the timing of the cell cycle in eukaryotic cells is believed to be controlled by a group of closely related proteins known as _________.

a

Chapter 10: in the cell cycle, external regulators direct cells to
a. speed up or slow down the cell cycle
b. remain unchanged
c. proceed and then stop the cell cycle

cancer

Chapter 10: uncontrolled cell division occurs in __________.

alleles

Chapter 11: Different forms of a gene are called ________.

a

Chapter 11: If a homzygous tall pea plant and a homzygous short plant are crossed
a. the recessive trait seems to disappear
b. the offspring are of medium height
c. no hybrids are produced

a

Chapter 11: a punnet square is used to determine the
a. probable outcome of a cross
b. actual outcome of a cross
c. result of mitosis

homozygous

Chapter 11: Organisms that have two identical alleles for a particular trait are said to be ____________.

phenotype

Chapter 11: The physical characteristics of an organism are its ___________.

multiple alleles

Chapter 11: a situation in which a gene has more than two alleles is known as ____________ ________.

metaphase

Chapter 11: know the illustration of metaphase 1 of meiosis (type in metaphase)

c

Chapter 11: Unlike mitosis, meiosis in male mammals results in the formation of
a. one haploid cell
b. three diploid polar bodies
c. four haploid gamete cells

c

Chapter 11: to maintain the chromosomes number of an organism, the gametes must
a. become diploid
b. become recessive
c. be produced by meiosis

b

Chapter 11: A gene map shows
a. the number of possible alleles for a gene
b. the relative locations of genes on a chromosome
c. where chromosomes are in a cell

transformation

Chapter 12: the process by which one strain of bacteria is apparently changed into another strain is called ______________.

viruses

Chapter 12: Bacteriophages are ________.

polymerase

Chapter 12: A nucleotide does NOT contain ____________.

cytoplasm

Chapter 12: In prokaryotes, DNA molecules are located in the __________.

replication

Chapter 12: The diagram below shows the process of DNA ____________.

DNA polymerase

Chapter 12: The main enzyme involved in linking individual nucleotides into DNA molecules is ______ ____________.

transcription

Chapter 12: The process by which the genetic code of DNA is copied into a strand of RNA is called _____________.

amino acid

Chapter 12: In messenger RNA, each codon specifies a particular ________ _______.

mutations

Chapter 12: Changes in the DNA sequence that affect genetic information are known as ___________.

b

Chapter 12: An expressed gene is one that
a. functions as a promoter
b. is transcribed into RNA
c. codes for only one amino acid

46

Chapter 14: A normal human diploid zygote contains ____ chromosomes.

pedigree

Chapter 14: A chart that traces the inheritance of a trait in a family is called a _________.

polygenic

Chapter 14: traits that are caused by the interaction of many genes are said to be __________.

abo blood groups

Chapter 14: an example of a trait that is determined by multiple alleles is ______ _________ ________.

x

Chapter 14: Most sex linked genes are found on the ____ chromosome.

sex-linked

chapter 14: hemophilia is a genetic disorder that is ____-________.

c

Chapter 14: which parental pair could produce females with colorblindness?
a. homozygous normal vision mother, father with colorblindness
b. mother with colorblindness, normal vision father
c. heterozygous normal vision mother, father with colorblindness

sickle cell disease

Chapter 14: A common genetic disorder characterized by ben and twisted red blood cells is ________ _____ __________.

dna fingerprinting

Chapter 14: which of the following techniques takes advantage of repeated dna sequences that do not code for proteins?

gene therapy

Chapter 14: the process of attempting to cure genetic disorders by placing copies of healthy genes into cells that lack them is known as ______ _________.

charles darwin

Chapter 15: who observed variations in the characteristics of animals and plants on the different islands of the galapagos?

fossils

Chapter 15: in addition to observing living organisms, darwin studied the preserved remains of ancient organisms called?

a

Chapter 15: which of the following ideas proposed by lamarck was later found to be incorrect?
a. acquired characteristics can be inherited
b. all species were descended from other species
c. living things change over time

natural variation

Chapter 15: differences among individual species is referred to as?

artifical selection

Chapter 15: which would an animal breeder use to produce cows that give more milk?

adaptation

Chapter 15: an inherited characteristic that increases an organism's ability to survive and reproduce in its specific environments is called an?

a

Chapter 15: the concept that each living species has descended with changes from other species over time is referred to as?
a. descent with modification
b. artificial selection
c. theory of acquired characteristics

adaptations

Chapter 15: Fitness is a result of ____________.

homologous structures

Chapter 15: Structures that have different mature forms but develop from the same embryonic tissues are ____________ ____________.

malthus

Chapter 15: The economist who reasoned that if the human population continued to grow unchecked eventually there would not be enough resources was __________.

taxonomy

Chapter 18: The science that specializes in the classification of organisms is ___________.

c

Chapter 18: Solely from its name you know that Rhizopus nigricans must be
a. a plant
b. an animal
c. in the genus Rhizopus

c

Chapter 18: A useful classification system does NOT
a. show relationships
b. reveal evolutionary trends
c. use different scientific names for the same organism

classes

Chapter 18: In classifying organisms orders are grouped together into _______.

kingdom

Chapter 18: The largest and most inclusive of Linnaeus's taxonomic categories is the ____________.

cladogram

Chapter 18: Which of the following shows the evolutionary relationships among a group of organisms?

derived character

Chapter 18: A unique trait that is used to construct a cladogram is called a __________ ____________.

Bacteria, Archaea, and Eukarya.

Chapter 18: The three domains are __________, ___________, and __________ (type in 'and')

fungi

Chapter 18: A kingdom that includes only heterotrophs is ______.

a

Chapter 18: Which organism belongs in the kingdom Animalia?
a. octopus
b. tree
c. cell

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