4th Qtr. Science Topic 8 notes Flashcards
(12 cards)
Which food comes from a source that gets energy directly from the sun?
A vine of tomatoes
All living things need ____________ from food.
energy
Plants use matter from the ___________ and the energy of sunlight to build food molecules such as sugars or starch.
environment
As plants perform life processes (photosynthesis), they break down______________ and ______________ to release energy.
starch and sugars
Plants must continually replace the ________ molecules they use.
food
Plants that do not get enough sunlight each day do not stay ____________.
healthy
Plants use some sugars along with other materials that the plant gets from the _______________ to make plant parts.
soil
All plants use energy to ________, ____________ and perform other activities
grow, reproduce
In the process of photosynthesis, plants give off ________ into the air?
oxygen
Plants use water and carbon dioxide from the air to make a sugar called __________________.
glucose
All energy in the food that humans and animals eat can be traced back to the ________.
sun