Question | Answer |
a measure of the energy content in food | calorie |
a nutrient that provides energy | carbohydrates |
a nutrient that provides energy and gives food flavor | fats |
the process in green plants and certain other organisms that uses energy from sunlight to make food from water and carbon dioxide | photosynthesis |
a nutrient needed to build, grow, and repair body cells | proteins |
the using and releasing of energy in a cell | respiration |
a thin, hairlike cell in a root; absorbs water and minerals | root hair |
holes on the outside of leaves that open to let air in | stomata |
Roots take up ______________ from the ground. | water |
______________ keep plants firmly in the soil. | roots |
Some roots store ________________. | food |
The two different kinds of roots are _______________ and ______________ roots. | taproot and fibrous |
_______________ is one large root. | taproot |
______________________ spread out in the soil. | fibrous roots |
______________ move food, water, and minerals throughout the plant. | stems |
Stems hold the plant ______________. | upright |
The 2 types of stems are _____________________ and _____________________. | woody and nonwoody |
Photosynthesis takes place in the _________________ of a plant. | leaf |
Carbon dioxide enters the plant through the ________________. | stomata |
When a plant has enough water its stomata stay ___________. | open |
When plants change sugar into energy it is called ______________________. | respiration |
Plants have two types of organs, ______________ organs include roots, stem, and leaves. ___________________ organs include flowers, fruit, and seeds. | vegetative, reproductive |
Plants are grouped according to their ability to transport water. _________________ plants do not have veins and do not transport water. _________________ plants absorb water through roots and transport it throughout the plant. | nonvascular and vascular |
______________ is the part of the stem that carries water, minerals, and nutrients up to the leaves. | xylem |
_______________ is the part of the stem that carries food from the leaves to the other parts of the plant. | phloem |
Name 2 plant sources of protein. | nuts and beans |