The ______ and ______ of a plant's leaf help conserve water in a plant.
A. root hairs, stomata
B. endodermis, stomata
C. stomata, cuticle
D. endodermis, cuticle
E. None of the answers are correct.
Answer: C. stomata, cuticle
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What happens to a cell that is placed in an isotonic solution?
a. The cell swells. b. The cell shrinks. c. The cell stays the same size. d. The cell crenate.
Answer the following statements true (T) or false (F)
1. A GMO is a transgenic organism. 2. When the genetic material of multiple organisms has been combined, it is called recombinant DNA. 3. Bacterial plasmids are small units of self-replicating DNA that can be used as cloning vectors in genetic engineering. 4. Unlike in plants, the production of transgenic animals commonly relies on viruses as cloning vectors. 5. In current biotechnology (DNA technology) advancements, scientists ensure that the methods used have no risks or unethical procedures.
Using your knowledge of the Laws of Energy Conversions, explain why recent energy crises are really a problem of energy in the correct form to do work (electrical, chemical, etc.) as opposed to an actual energy shortage
What will be an ideal response?
Fossils are the remains and traces of past life that have been preserved in the Earth's crust. What type of fossils is most important in supporting the principle of evolution? Explain your answer and give examples.
What will be an ideal response?