Question

B. Fill in each blank choosing the correct word.
1. Plants breathe through their S. (midrib / stomata)
2. During photosynthesis, plants give out
(oxygen/carbon dioxide)
3.
(Glucose / lodine) solution turns starch blue-black.
4. In a cactus, the food is prepared in its
(spines / stem)
5. The chief source of energy is
(the Sun/plants)​

Answer 1

Answer:

1. stomata

2. oxygen

3. iodine

4. stem

5 the sun

Explanation:

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Answer 2

Answer:

Explanation:

1. plants breathe through their stomata. the midrib is the central vein running through a leaf.

2.Oxygen. water is composed of hydrogen and oxygen plants use sunlight to break hydrogen and oxygen apart and the plant utilizes the hydrogen for food and exhales oxygen

3.Iodine

4.Stem. spines are modified leave s and only protect the plant whereas the stem is green and can do photosynthesis

5.IOf you are talking about the strongest and ultimate energy then it is the sun but i think according to your chapter they are referring to energy that animals use so the answer is PLANTS