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SB Review
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1
Which answer choice puts the Ecological levels of organization in proper order from smallest to largest?
ecosystem > biome > community
community > biome > biosphere
population > organism > community
organism > biosphere > species
2
Proteins, starch, and DNA are similar in that they are all..
made of simple sugars
organic compounds
made of amino acids
parts of genes
3
How many chromosomes does a typical human body cell have?
46
18
7
92
4
Each of the cells present in a woman contains a complete set of chromosomes. The only exceptions are her...
skin cells
lung cells
nerve cells
egg cells
5
Which statement best describes a characteristic of the Carrying Capacity of an ecosystem?
it is determined by an organism's reproductive success
it is limited by the habitat's available energy and nutrients
it can be illustrated with a food web
it allows populations to grow to unlimited size
6
Using the information on the graph, what is the most likely relationship between these two populations?
predator/prey
consumer/decomposer
pathogen/host
parasite/host
7
Which factor would be an abiotic limiting factor for fish living in a lake in New York State?
number of humans fishing
number of fish predators
acidity of the water
amount of algae
8
Natural selection produces changes most quickly in...
species with reproductive birth cycles.
individuals that produce a small number ofoffspring
complex multicellular organisms
individual pathogens killed by antibiotics
9
Some species may have similar body structures even if they are not related because they evolved in...
were exposed to factors that caused exactly the same mutations
similar environments and specific traits increased the chance of survival
different environments, but tried to adapt in the same way
different environments but ate similar food that affected their development
10
The sequence that best illustrates the flow of energy through an ecosystem is
plant → sunlight → rabbit → wolf
sunlight → plant → wolf → rabbit
wolf → rabbit → plant → sunlight
sunlight → plant → rabbit → wolf
11
The process shown below is used to
identify the father of a newborn
produce insulin
determine if a person has a genetic disease
produce a hormone to regulate blood sugar
12
Which statement best describes the process of competition?
It always occurs between members ofdifferent species
It is not affected by changes in theenvironment
It may be for abiotic or biotic resources.
It allows nutrients in an ecosystem to movefrom herbivores to autotrophs
13
Which organelle is responsible for synthesizing the ATP that all cells use for energy?
mitochondria
plasma membrane
nucleus
vacuole
14
The largest number of individuals that an environment can support is called...
population density
carrying capacity
the biosphere
an ecosystem
15
Which of the following would INCREASE the carrying capacity of an ecosystem?
more available food
more predators
disease
drought
16
Studying fossils provides evidence for evolution because fossils
found in the same area are usually closelyrelated to each other
take a long time to form
always contain complete DNA sequences
can show patterns of biological change overtime
17
The two main sources of genetic variations are...
mutations and recombination
cloning and sexual reproduction
natural selection and evolution
mitotic and meiotic cell division
18
[ ] eats detritus for energy, while [ ] absorbs energy from detritus
parasite / producer
detritivore / decomposer
decomposer / detritivore
heterotroph / scavenger
