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Biology 2 Final Review
Biology 2 Final Review
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Biology 2/3 first semester final review
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
What is a biome?
biological community with effects of abiotic factors
group of ecosystems with same climate & similar communities
an area where an organism lives.
thin layer surrounding Earth
2
Which occurs in the nucleus?
translation
transcription
3
Which of these relationships affects one organism positively and the other is not affected?
commensalism
mutualism
parasitism
predator/prey
4
What is a scientific theory?
guess
explanation of how santa clause is real
educated guess
explanation supported by scientific evidence and observation
5
Which of these produces more variation within the daughter cell?
Asexual Reproduction
Sexual Reproduction
6
In what era did mammals begin to dominate?
Cenozoic
Precambrian
Paleozoic
Mesozoic
7
What is attached at the 5' end of the deoxyribose sugar?
thymine
phosphate group
adenine
polymers
8
What are biotic factors?
Living factors in an organism's environment
Non-living factors in an organism's environment
Environmental factors in an organism's environment
Human-made factors in an organism's environment
9
In which cell division type do the daughter cells have half the number of chromosomes?
translation
replication
Meiosis
Mitosis
10
Whose theory explained evolution with acquired traits?
Scheff
Mendel
Lamarck
Darwin
11
On Energy Pyramids, what percent of energy gets transferred from one level to the next?
5%
75%
90%
10%
12
Which type of fossil is this?
body part
imprint
cast
mold
13
What is the equation for photosynthesis?
6CO2 + 6H2O + light energy--> C6H12O2 +6O2
light energy---->glucose + oxygen
C6H12O2 +6O2 ------> 6CO2 +6H2O + ATP
ATP + 6CO2 + 6H2O ------> C6H12O2 +6O2
14
Which nitrogenous bases have 2 weak hydrogen bonds?
adenine and uracil
guanine and uracil
guanine and cytosine
adenine and thymine
15
What leads to analogous structures?
co-evolution
divergent evolution
convergent evolution
homologous structures
16
What does a scavenger eat?
plant matter
leftovers
animal matter
plant and animal matter
17
What is biogenesis?
life arises from chemicals
new organisms come from existing organisms
spontaneously appearing organisms
new organisms come from non-living things
18
What is a carrying capacity?
maximum number of organisms supported by environment
stable number of organisms
affects population and density isn't a factor
affects population and its density is a factor
19
What level consumer is an ant considered?
quartenary
tertiary
secondary
primary
20
Which of these was NOT an argument for evolution by Darwin?
survival of the fittest
inheritance of variations
Overproduction
use and disuse
21
What is the name of the species that inhabit the area 1st during succession?
climax
seral
pioneer
secondary
