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Bio Exam Review
Bio Exam Review
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Biology Exam review, Semester 2, 2019
Flashcards
47 cards
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Practice quiz
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Questions
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Answers
1
What is gradualism?
Small changes in a short time
Slow change allowing organisms to evolve
Rapid change with one transitional form
Small changes with many transitional forms
2
The theory of evolution states...
Species change over time
All animals adapt to their environment with time
Living species are related to extinct species
Inherited variation allows for more fit members than others
3
Comparing fossils and _________ help scientist better understand the evolution of organisms
Older species
Modern plants
Modern organisms
Similar species
4
What is the approximate current human population?
7 billion
Too many people...
8 million
8 billion
5
Only about _____ of energy is transferred from one trophic level to the next.
15%
10%
7%
5%
6
Logistic population growth occurs when...
A population continues to grow
A population reaches carrying capacity
Mrs. K can no longer deal with you
A population continues to decrease
7
Exponential population growth occurs when...
Limiting factors have been met and can carry no more
Limiting factors have not yet been reached
When carrying capacity is met in early stages
Early population drive down the environment
8
Most producers make their food by...
Using CO2 from the air
Photosynthesis
Using light energy
Using minerals from the soil
9
In DNA, the fewer differences in bases indicate a more [] relationship and a [] common ancestor
Close, recent
Distant, close
Distant, no
Close, different
10
What is a dependent variable?
Values that changes based on theory
Value that stays constant during an experiment
Value that stays the same during an experiment
Value that changes based on the IV
11
What is punctuated equilibrium?
Long periods of little or no change
Short period of change, long periods of dramatic change
Short period of dramatic bursts killing organisms
Long periods of no change, with short dramatic changes
12
Give an example of parasitism
Giardia/human intestine
Lions/bees
Relationships
Barnacles/dolphins
13
The basis of natural selection is that there is _______ in a population of organisms
Adaptations
Variation
Similar Characteristics
Overproduction
14
What is the FIFTH trophic level?
Commensalism
Decomposers
Producers
Secondary consumers
15
What types of evidence support evolutionary theory?
DNA, Fossils, and embryology
There is no evidence to support this theory
Embryology, DNA, and Meiosis
Embryology, DNA, Structural, fossils
16
On an evolutionary tree, how can you tell who is more closely related?
They branch off the farthest on the tree
They branch off in the middle of the tree
They branch off closest to the species
They branch off at the most recent time
17
How do new traits arise in a population?
Fitness
Variation
Evolution
Natural selection
18
When the environment changes, what allows the population to continue living?
Variation: Some will adapt but will not reproduce
Random variation: Some will survive and reproduce
Variation: some will adopt and survive and reproduce
Random Variation: Most will survive and all reproduce
19
Give an example of a scavenger
Vulture and roadkill
Students and food
Buffalo and tall grass
Vultures and bugs
20
Fossils found _______ in the ground are likely older than those found ______ to the surface.
Deeper, older
Closer, Deeper
Deeper, Deeper
Deeper, Closer
21
What Lion is the fittest?
The lion that has the most offspring but short lifespan
The lion that lives the longest and small group of offspring
Lives the longest, and has the most offspring survive
The lion that lives the longest and has the most offspring
22
What is the THIRD trophic level?
Producers
Decomposers
Secondary consumers
Scavengers
23
All graphs must include...
Numbered Axis and titles
Lines.... duh
Graphs and Details
Titles and Labels
24
In order to form a fossil, organisms generally die and....
Gets put under extreme pressure
Become covered by sediments
Become covered by rocks
Become covered by plants
25
What might happen if the fish population in an ecosystem increases?
It’s trophic level increases by 10%
It’s prey goes down and predators go up
It’s prey decrease while predators stay the same
It’s prey go up and predators do down
26
What is an independent variable?
Values that change based on research
Values determined by research
Values determined by the DV’s research
Values that change based on the DV
27
Embryology evidence is based on the study of....
Different stages of diseases
Early development stages
Organisms early developmental stages
The early development of babies
28
What is the difference between inherited traits and acquired traits?
It does not affect DNA(not passed on)
One affects the gene pool
One causes an extra chromosome
One passed and one isn’t
29
Which factor is abiotic?
Air
Water
Minerals
Sunlight
30
What is the SECOND trophic level?
Tertiary consumers
Secondary consumers
Decomposers
Primary consumers
31
An example of Mutualism?
Birds and rabbits
Cake and depression
Bananas and oranges
Bees and flowers
32
What constitutes a scientific theory?
Lots of support, no criticism
Lots of support for and lots of support against
No evidence for, tons of evidence against
Lots of evidence supporting and none disagreeing
33
Give an example of commensalism
Barnacles/whales
Fish/birds
Wind/birds
Bees/flowers
34
Individuals that survive best in their environment do so because...
Adapt to their environment
Inherit adaptations that maximize fitness
Inherit similar features that maximize fitness
They go to the gym
35
The maximum number of a population that an ecosystem can sustain is its _______
Capacity
Carrying capacity
Population limit
Environment sustainability
36
How would the ability to run fast become a trait that is naturally selected?
It allows organisms to escape predators and live longer
It allows organisms to escape, living, and reproducing
Allows organisms to catch prey faster
Allows organisms to escape and for more adaptations
37
What are the four steps that occur in natural selection?
Heritable, DNA, isolation, evolution
Variation, Different species, fitness, isolation
Variation, overproduction, heritable, fitness
DNA, RNA, Phagocytosis, and Genes
38
What is the LOWEST trophic level?
Primary consumers
Consumers
Producers
Decomposers
39
What characteristics do human embryos develop then lose before birth?
Finns
The ability to think and have morals
Gill slits
Tails
40
How does overproduction of offspring increase fitness?
Increases the chance they’ll live to reproduce
Increases chances of more dying
Increases the chance more will make it to adulthood
Increases the chance more will die and create fossils
41
What is the FOURTH trophic level?
Primary producers
Tertiary consumers
Humans
Scavengers
42
What animals eat both producers and consumers?
Omnivores, some herbivores, and some hetero
Heteros and omnivores
Omnivores, producers, and carnivores
Omnivores, carnivores, and consumers
43
Similarities in embryos show that species share a...
Similar DNA
Similar Niche
Same species
Common ancestor
44
If there were 16 elephants in a population, 13 died in 2018, what is the growth rate?
5
0
3
16
45
Give an example of predation
Fish/birds
Lion/tiger
Simon and pumba
Lion/zebras
46
Darwin believed that finches in the Galapagos has a similar ancestor because....
They had similar genes
Had many similar traits
They were the same species
Had the same DNA
47
Where branches connect on a phylogenetic tree represents the presence of...
Natural selection
DNA copies
A common ancestor
Evolution
