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SCI 1056 Exam 3 Spring 2024 Flashcards | StudBud
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SCI 1056 Exam 3 Spring 2024
SCI 1056 Exam 3 Spring 2024
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Biomes Biodiversity Tropic Level Cell Biology Basics
Flashcards
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Questions
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Answers
1
This organelle turns glucose into ATP, carbon dioxide and water:
Mitochondria
Cell Membrane
Nucleus
Ribosome
2
What is this process?
fermentation
anaerobic cellular respiration
aerobic cellular respiration
photosynthesis
3
Our atmosphere is mostly nitrogen.
False
True
4
Allopatric speciation is:
when a population is separated by a physical boundary
none of these
in-breeding in a population which leads to harmful effects
when a population changes due to massive changes in a genome
5
Which process requires oxygen?
cleaning solutions
None of the answers are correct
photosynthesis
aerobic cellular respiration
6
Where do producers get their energy from?
Dead Organisms
Water
Heat
The Sun
7
There can still be evolution without genetic variation.
True
False
8
Which biome has extreme wet and dry seasons
Tropical Rainforests
Tropical Dry Forests
Cool Cloud Forests
Boreal/ Taiga
9
Which biome is the "bread basket" of the world (and has good top soil)?
desert biome
tundra
boreal forests
grasslands
10
Which is the "gateway" to the cell?
Nucleus
Vacuole
Cell/ Plasma Membrane
Ribosome
11
What are heterotrophs?
Heterotrophs are plants that produce food.
Heterotrophs cannot make their own food. They eat plants and/or animals.
Heterotrophs are animals that produce their own food.
Heterotrophs are strictly vegetarian.
12
Which are the three domains of life?
Eukarya
Virusemia
Bacteria
Archaea
13
Plants can perform both photosynthesis and cellular respiration
False
True
14
Secondary consumers eat meat.
False
True
15
What is this process?
photosynthesis
aerobic cellular respiration
fermentation
anaerobic cellular respiration
16
This domain generally includes extremophiles (organisms that live in extreme conditions):
Archaea
Protista
Fungi
Animalia
17
An ecosystem includes living organisms and abiotic factors.
True
False
18
Some of these organisms are essential for producing fermented foods like yogurt
Viruses
insects
Bacteria
Protists
19
Top Predators make up the ________ trophic level
Primary Consumer
Tertiary Consumer
Producers
Secondary Consumer
20
How much energy is transferred between trophic levels?
20%
10%
15%
100%
21
If you're preserving something, what solution would you put it in?
An isotonic solution. It doesn't matter which way water goes!
A hypertonic. Any microbe that lands on that jam will shrivel and crenate!
All of the above.
A hypotonic solution. Any microbe will drown in that water.
22
Cells that have a nucleus and membrane bound organelles are
Viruses
Eukaryotes
Prokaryotes
Prions
23
What is the most common biome in Colorado?
Temperate Deciduous Forests
Boreal/Taiga
Tundra
Temperate Coniferous Forests.
Grasslands
Deserts
24
What happens to a red blood cell when it is in a hypertonic solution?
There will be no net movement of water across the cell membrane.
It will swell and may burst
It will crenate (look spikey)
Nothing will happen
25
Palentology is the study of past human life and culture
True
False
26
Which biome has a good layer of top soil and is great for farming?
Savannas
Tropical Rainforests
Temperate Deciduous Forests
Grasslands
27
Where are the primary producers in the trophic levels?
They don’t belong anywhere
At the bottom
At the top
In the middle
28
The Golgi Apparatus would be most like what at a pizza place?
the Manager
the Delivery Person
the Waiter
the Oven
29
The following gives the cell structure:
the nucleus
flagella
the cytoskeleton, and the cell wall in plants/ some prokaryotes
the cell membrane
30
Eukaryotic cells evolved more recently than prokaryotic cells.
False
True
31
The Rough Endoplasmic Reticulum is responsible for
Making lipids and hormones
Making proteins (like hormones) to be shipped outside of the cell.
Packaging and shipping ribosomes outside the cell
Storing calcium
32
Which organisms would you expect to see evolution rapidly?
snakes
humans
bacteria
insects
33
We are living in the Phanerozoic Eon
False
True
34
Which statements are true about both mitochondria and chloroplasts?
animal cells don't have chloroplasts
both mitochondria and chloroplasts are found in plant cells
both make energy for the cell
Both make ATP
35
What type of consumers eat producers?
Primary consumers
Tertiary consumers
Secondary consumers
The sun
36
The organelle responsible for getting rid of a cells waste. It is also acidic and recycles, reduces and reuses!
toilet
Lysosome
Golgi Apparatus
Nucleus
37
How do poisons bioaccumulate in the food chain?
Poisons concentrate in vegetables.
Poisons often accumulate in fat. Top predators have the highest levels.
Poisons do not accumulate in the food chain.
Poisons accumulate in muscle and tend to be concentrated in producers.
38
Since prokaryotes don't have a nucleus, they can't contain DNA
False
True
39
What happens to a red blood cell when it is in a hypotonic solution?
Nothing will happen
it will shrink, shrivel and get spikey!
It will transport to outer space
It will swell and may burst
40
Plants produce oxygen, and are net carbon "sinks".
True
False
41
What is a heterotroph?
autotroph
plants
an organism getting its nutrition from complex organic substances.
An organism that gets its energy from the sun.
42
Which metabolic pathways do plants use?
magic
photosynthesis
aerobic cellular respiration
anaerobic cellular respiration
43
When did prokaryotic cells evolve?
about 3 to 3.5 billion years ago
about 5 years ago.
1000 years ago.
about 1 billion years ago.
44
What are trophic levels?
where an organism breeds
set of cross-connecting food chains
nutrient enrichment of an aquatic ecosystem
position of an organism in a food chain
45
Which biome receives 10 or less inches of rain per year?
tropical rainforest
icee biome
desert biome
grasslands
46
This organelle(s) is responsible for protein synthesis:
Rough Endoplasmic Reticulum (RER)
Nucleus
Ribosome
Cell Membrane
47
Which is the definition of evolution?
parents passing traits to offspring
the appearance of new life forms
genetic differences in a species
the change of species over time
48
Which biome will be most affected by climate change?
Tropical Dry Forests
Tropical Rainforests
Tundra
Grasslands
Taiga
Deep Sea Ocean Vents
49
There is less energy stored at higher trophic levels because at each level:
Organisms die
energy is destroyed
energy is lost through defecation
energy is lost as heat
50
What are keystone species?
A species that provides a physical framework to house other species.
Organisms that have a huge effect on an ecosystem. Often top predators.
They attract human interest in protecting species.
They are typically producers.
51
Which biome has water, but most of it is unavailable to drink?
grasslands
savannas
tundra
tropical rainforests
52
Which biome has the most biodiversity
deserts
boreal/ taiga
tropical rainforests
savannas
53
Consumers that eat only animals.
herbivores
carnivores
omnivores
meatovores
54
______________ biomes are defined as places that have less than 10 inches or 25 cm of rain or snow each year
desert
tundra
grassland
taiga
55
Which of the statements best describes The Cell Principle?
All cells come from other cells
Cells are cute.
All living things are made of cells
Viruses are cells.
56
Which cells have membrane bound organelles?
Prokaryotic Cells
Eukaryotic Cells
Animal Cells
Plant Cells
57
This organelle turns sunlight, water and carbon dioxide into sugar and other food molecules:
Chloroplast
Nucleus
Mitochondria
Ribosome
58
The largest time scale is called a/an:
Century
Eon
Epoch
Period
59
Which of these processes DO NOT require energy to be transported in or out of the cell?
osmosis
active transport
diffusion (passive transport)
endocytosis and exocytosis
60
Eon is the shortest geologic time period
True
False
61
What is the biggest threat to biodiversity?
Invasive Species
Climate Change
Pollution
Habitat Destruction
62
Which of these processes transports large molecules in and out of the cell?
endocytosis and exocytosis
diffusion
active transport
osmosis
63
Detritivores are at the bottom of the trophic pyramid
False
True
64
Which organisms changed Earth's toxic atmosphere into an oxygen rich one?
Eukaryotic cells
Protists
Cyanobacteria
Tertiary consumers
65
Eukarya, Fungi and Protista are the three Domains of life
False
True
66
Which of these processes transports water in and out of the cell?
osmosis
endocytosis and exocytosis
active transport
diffusion
67
Which of these processes transports molecules from high to low concentration?
active transport
endocytosis
diffusion/ passive transport
exocytosis
68
Humans are carbon sinks.
True
False
69
This part of the cell is jelly-like and takes up the space not occupied by organelles:
Cytosol
Nucleus
Cell Membrane
Ribosome
70
The process of cellular respiration is basically opposite of photosynthesis.
False
True
71
What percent of energy is
lost
you move from a lower trophic level to the next higher level?
100%
0%
approximately 90%
Approximately 10%
72
Prokaryotic cells are smaller than eukaryotic cells
True
False
73
An example of an autotroph is ____.
a lizard
grass
a human
the Sun