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Worksheets🌈 Quizizz #15 🌈 English 2024-2025
Total questions: 20
Worksheet time: 3600secs
When is it beneficial for organisms to hunt solo?
when their prey is large in size
when their prey is fast moving
when their prey is small in size
when their prey is nocturnal
What trophic level does the snake belong to?
producer
primary consumer
secondary consumer
tertiary consumer
How would this starfish population change over time if sea turtles (predators) preferred to eat dark colored starfish?
the population would become larger in size
the population would become darker in color over time
the population would become smaller in size
the population would become lighter in color over time
Most Nitrogen is found __________, and bacteria help bring it to _________ where it can be used by living organisms.
in the soil; consumers
in the atmosphere; soil
in the atmosphere; consumers
in the water; soil
Select the elements that are found within proteins.
Carbon
Hydrogen
Oxygen
Nitrogen
What is the monomer of proteins?
monosaccharide
glycerol
amino acid
nucleotide
Contains chloroplasts
plant cells
animal cells
both
neither
If one person has two alleles that are the same for a specific STR, then that person is considered to have:
rare occurring alleles
heterozygous genotypes.
frequently occurring alleles.
homozygous genotypes.
Name a method of separating molecules, such as DNA, based on their size
electrophoresis
restriction enzymes
STR
PCR
Explain how consumers, such as otters, obtain the materials they need for cellular respiration. Be specific! How do these materials get from the environment to the mitochondria?
Through photosynthesis in chloroplasts
By consuming other organisms and absorbing nutrients
By directly absorbing sunlight
Through fermentation processes
The purpose of cellular respiration is to:
produce oxygen
generate energy in the form of ATP
create glucose
store carbon dioxide
The purpose of photosynthesis is to:
produce oxygen and glucose
consume carbon dioxide and water
generate energy for plants
absorb sunlight for growth
9. What types of organisms are the major drivers of the nitrogen cycle? What do those major organisms do?
Bacteria and fungi, which decompose organic matter
Plants, which produce oxygen through photosynthesis
Animals, which consume plants and other animals
Viruses, which infect host cells
What impact does ocean acidification have on calcifying organisms like urchins?
It enhances their calcification process.
It reduces their ability to calcify.
It has no impact on their calcification.
It strengthens their skeletal structure.
Oceans become more acidic because:
they absorb more carbon dioxide from the atmosphere.
they release more oxygen into the atmosphere.
they increase in temperature.
they decrease in salinity.
Human impacts that have caused changes in ocean pH include:
Burning of fossil fuels
Deforestation
Agricultural runoff
All of the above
25. Using the image to the left, explain why the otters are considered a keystone species.
Otters maintain the balance of the ecosystem by controlling sea urchin populations.
Otters are the primary food source for many marine animals.
Otters help in the pollination of aquatic plants.
Otters are the largest marine mammals in their habitat.
