Investigating Life 23.5: Benefit to carnivory Review the section \"Investigating

Question

Investigating Life 23.5: Benefit to carnivory Review the section "Investigating Life: The Hidden Cost of Traps." A sundew is a type of carnivorous plant. The sundew plant's leaf cells perform photosynthesis, so what benefit does it gain from carnivory? Multiple Choice ok The sundew lives where there is itle sunlight so it supplements its energy level by being carnivorous The sundew lives where there is an abundance of insects The sundew lives in wetlands where nutrients are limited. so it obtains nutrients by being carnivorous t is metabolically more efficient to "eat" other organisms then t 7 8 0

Explanation / Answer

The sundew lives in wetlands where nutrients are limited, so it obtains nutrients by being carnivorous.

Sundew grows in marshy areas where the soil is of poor quality and lacking in nutrients like nitrogen.

For the seccond question, all of the answer choices are correct.

Nitrogen is the component of all the amno acids. Amino acids are the building blocks of proteins. In absence of nitrogen, all the amino acids necessary for the synthesis of proteins may not be produced. So, plants suffer from protein deficiency. Enzymes are also proteins chemically. So, some enzymes are also not activated in absence of nitrogen. Potassium is responsible for opening and closing of stomata. Potassium deficiency lead to incomplete opening and closing of stomata resulting in water loss..Phosphorus is a component of DNA and RNA. Due to Phophorus deficiency, the cell can not synthesize DNA and RNA. As a result, the entire cellular machinary become out of order.

Water movement in the plant

1. Stomata open

2. Water evaporates out of the leaf

3. Diffusion moves water molecules from leaf vein into the mesophyll

4.. Cohesion pulls adjacent water molecules upward.

5. Water molecules move into the xylem

6. Water molecules enter the epidermis and endodermis

7. Root hairs pull water into plant from soil.

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