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WorksheetsUnit 2: Characteristics of Living Things
Total questions: 15
Worksheet time: 20mins
The pancreas is an organ that
Makes estrogen
Secretes insulin that raises blood sugar
Secretes testosterone
Secretes insulin that lowers blood sugar back to normal
Hormonal Feedback and Cellular Communication are carried about by which types of cells and molecules
neurons, receptors and hormones
receptors only
red blood cells and hormones
hormones only
Two biological processes that occur in nature that are mutually dependent on each other are
active and passive transport
photosynthesis and cellular respiration
diffusion and osmosis
nutrition and excretion
Fungi such as mushrooms and yeast are considered heterotrophs because they...
are predators
grow from the soil
make their own food
Consume food
Similar to animals, plants have specialized cells to maintain homeostasis. The cells depicted in the photo are....
red blood cells
white blood cells
root cells
guard cells
Guard cells close stomates in response to dry conditions to conserve water. This is an example of _________and is similar to _____________________________
homeostasis, having a high temperature that changes the shape of an enzyme
excretion, sweating on warm days
feedback, kidneys decreasing urine production of hot days to avoid excess water loss.
nutrition, decomposers recyling nutrients
Two factors that affect the way enzymes work are
Temperature and pH
Temperature and the amount of oxygen
carbon dioxide and pH
temperature and the amount of carbon dioxide
Autotrophs are different from heterotrophs in that they
reduce global warming by recycling carbon dioxide
produce carbon dioxide
make ATP
transferring energy from the sun into bonds within sugar molecules
The organelle found in plant cells that performs photosynthesis
chloroplast
mitochondria
cell wall
cell membrane
The organelle in the picture is the..
mitochondria
chloroplast
ribosome
cell membrane
The organelle in this picture is the...
mitochondria
ribosome
cell membrane
chloroplast
The biological process associated with autotrophic nutrition is,,,
excretion
cellular respiration
protein synthesis
photosynthesis
The equation for photosynthesis is
Carbon dioxide + Water----->C6H12O6 + Oxygen
Glucose + Oxygen---->ATP
Carbon dioxide + Oxygen -----> Glucose & ATP
Glucose + Oxygen----> Water + CO2 + ATP
The organelles that assembles long chains of amino acids to synthesize proteins are....
ribosomes
mitochondria
chloroplast
nucleus
The organelle in this picture that is assembling a folded chain of amino acids is most likely...
ribosomes
mitochondria
chloroplast
nucleus
