Font size
WorksheetsPlants and Ecosystem Unit Test
Total questions: 50
Worksheet time: 26mins
What is a diagram of interlocking food chains that shows the flow of energy and matter through an ecosystem?
food chain
food web
mitochondria
ATP
A single flow of energy from organism to organism, based on what each consumes
food chain
food web
electron transfer chain
carbon cycle
An ecosystem's food web typically gets its original energy from what source?
mitochondria
ATP
the Sun
producers
Which organisms in a food web are also called autotrophs?
consumers
decomposers
apex predators
producers
What type of organism performs photosynthesis using solar energy to create their own food?
consumer
producer
decomposer
secondary consumer
In a food chain, what percent of the energy at any level is actually passed onto the next level after consumption?
10%
25%
50%
15%
Organisms that get their energy by eating other organisms.
consumers
producers
decomposers
autotrophs
The organisms at the highest level of a food web, which have no natural predators
producers
primary consumers
secondary consumers
tertiary consumers
Decomposers get their energy by consuming what?
producers
dead organisms
consumers
solar energy
Producers use solar energy to create their own food. That food is called what?
glucose
protein
solar energy
ATP
The cellular process done by plants and other autotrophs to make their own food
cellular respiration
photosynthesis
carbon cycle
Krebs cycle
6 CO2 + 6 H2O --> 6 O2 + C6H12O6
photosynthesis
cellular respiration
crystallization
glycolysis
What is the goal of photosynthesis? What does the plant need to gain from it?
cellular energy
water
oxygen
glucose
What is the goal of cellular respiration? What does the plant need to gain from it?
cellular energy
glucose
oxygen
water
In what part of the plant cell does photosynthesis take place?
mitochondria
nucleus
chloroplasts
chlorophyll
This substance uses its green color to attract sunlight for a plant cell
chloroplast
chlorophyll
ATP
cytoplasm
Which of the following are steps in the Cellular Respiration process?
(Check all that apply.)
Electrolysis
Glycolosis
The Krebs Cycle
Preparatory Reaction
In what type of atom does a plant store the sun's energy during photosynthesis?
oxygen
carbon
hydrogen
Up and atom
The cellular process where sugar and oxygen react to form Carbon Dioxide and water, releasing energy for the cell.
cellular respiration
photosynthesis
DNA
glycolysis
6 O2 + C6H12O6 --> 6 CO2 + 6 H2O
photosynthesis`
carbon cycle
cellular respiration
oxidization
The powerhouse of the cell where respiration takes place
organelle
chloroplast
mitochondria
chlorophyll
In which step of cellular respiration does glucose get broken down into pyruvate?
glycolysis
preparatory reaction
Krebs cycle
electron transport chain
In the second step of respiration, pyruvate is broken down into this simpler substance to be ready for the Krebs Cycle.
pyruvate
cellulose
acetyl COA
ATP
In what step of respiration are the most ATP produced?
gIycolysis
preparatory reaction
citric acid (Kreb's) cycle
electron transport chain
What is the level of a food web between primary and tertiary consumers?
secondary consumers
apex consumers
primary consumers
decomposers
True or False: Every food chain in a food web must have producers, primary consumers, secondary consumers, and tertiary consumers.
True
False
In respiration, energy is released from the glucose and converted into what energy-carrying molecule for the cell to use?
oxygen
ATP
protein
pyruvate
In the food web, what is the relationship between the shrub and the rabbit?
producer to primary consumer
producer to secondary consumer
primary consumer to secondary consumer
consumer to producer
In the food web, what is the relationship between the shrew and the mountain lion?
producer to primary consumer
secondary consumer to tertiary consumer
primary consumer to secondary consumer
producer to consumer
What level of the food web contains the hawk?
producers
primary consumers
secondary consumer
tertiary consumers
What level of the food web contains the deer?
producers
primary consumers
secondary consumer
tertiary consumers
What are the products of cellular respiration?
carbon dioxide and water (and energy)
glucose and oxygen (and energy)
glucose and carbon dioxide (and energy)
carbon dioxide and oxygen (and energy)
What organelle is shown at letter B?
mitochondria
chlorophyll
chloroplast
cytoplasm
What organelle is shown at letter G?
mitochondria
chlorophyll
chloroplast
cytoplasm
What is entering the process in letter A?
solar energy
stored energy
glucose
oxygen
The name of what process belongs in letter C?
photosynthesis
cellular respiration
carbon cycle
krebs cycle
The name of what process belongs in letter F?
photosynthesis
cellular respiration
carbon cycle
krebs cycle
In which letter would you put glucose?
A
D
E
H
In which letter would you put CO2?
A
D
E
H
FADH and NADH act as what throughout the Cellular Respiration process?
protein
reactants
electron carriers
products
In respiration, what reactant works during the Krebs Cycle to help break down carbons?
oxygen
carbon dioxide
water
glucose
The process in which carbon atoms continually travel to and from the earth, its water, its organisms, and its atmosphere.
photosynthesis
carbon cycle
cellular respiration
glycolysis
Into which of the following do carbons move during the carbon cycle? (Check all that apply)
atmosphere
water
organisms
Earth (rock)
Which of the following are short-term carbon cycles? (check all that apply)
photosynthesis
erosion of rock
predator-prey transfers
formation of sedimentary rock
Which of the following are long-term carbon cycles? (check all that apply)
photosynthesis
erosion of rock
predator-prey transfers
formation of sedimentary rock
Human-based influences to the carbon cycle, like deforestation and burning of fossil fuels, increase levels of what molecule in the atmosphere?
oxygen
glucose
hyrogen
carbon dioxide
In the carbon cycle, what compound is used to transfer carbon from the atmosphere to land plants during photosynthesis ?
carbon dioxide
glucose
proteins
acetyl COA
In the carbon cycle, what compound is used to transfer carbon from the land plants to land animals when consumed?
carbon dioxide
glucose
water
acetyl COA
When a decomposer breaks down dead tissue, what two substances are returned to the ecosystem? (choose 2)
water
oxygen
carbon dioxide
glucose
The green color of chlorophyll is used to attract what?
sunlight
electrons
oxygen
carbon
