WorksheetsLiving Systems Investigation 2: Nutrient Systems
Total questions: 17
Worksheet time: 9mins
When yeast becomes active, what gas is released?
nitrogen
oxygen
carbon dioxide
water vapor
What did we have to add to dormant yeast to "wake it up"?
Warm water and sugar
sugar and baking soda
flour and sugar
warm water and flour
What is photosynthesis?
The process of using water and sunlight to make carbon dioxide
The process of turning oxygen and sunlight into sugar
the process that plants use to make sugar for growth
What makes a plant green?
chlorophyll
chloroplast
phloem
xylem
What is the correct order of the stages of the butterfly?
larva (caterpillar), egg, larva (caterpillar), adult
egg, larva (caterpillar), pupa (chrysalis), adult
egg, pupa (chrysalis), larva (caterpillar), adult
adult, larva (caterpillar), egg, pupa (chrysalis)
What does the digestive system begin?
with your saliva and teeth
in your stomach
in your small intestines
in your liver
What is the main function of a plant's leaf?
Absorb water
convert light energy into glucose through photosynthesis
collect oxygen to create nutrients for the plant
Which of the following is NOT a purpose of the plant's roots?
anchor the plant in place
absorb water
collect sunlight
store food and nutrients
What do plants produce through photosynthesis?
water and oxygen
oxygen and nutrients
carbon dioxide and oxygen
carbon dioxide and sugar
a waste gas produced during cellular respiration. Plants use this gas during photosynthesis to make food
carbon dioxide
oxygen
helium
nitrogen
a molecule that absorbs red and blue light and reflects green light
chloroplast
photosynthesis
chlorophyll
roots
a single-celled fungus
yeast
plants
animals
mushrooms
an organism that eats plants
predator
herbivore
carnivore
omnivore
True or False: The energy pyramid is larger on the bottom because an ecosystem needs more consumers than producers.
True
False
Where does all energy in an ecosystem come from?
plants
animals
Sun
If a plant is kept in the dark, but it is regularly watered, what will happen?
It will turn green and grow
It will turn yellow and grow
It will turn yellow and not grow
It will turn green and not grow
How do animals get the nutrients they need?
The digestive system breaks down food to nutrients. In humans, food enters the mouth, then down the esophagus to the stomach and small intestines.
They absorb sunlight, oxygen, and water to create nutrients cells need
They get nutrients in the water they drink
