science warm-up 3/15

what is phototropism?

• a phenomenon in which plant stem turns away from light.
• A phenomenon in which plant stem turns towards light.
• A phenomenon in which plant does not need light.

Xylem is 

• another name for roots
• is a vascular tissue that carries water and minerals from the root up to the plants.
• carries food from the leaves to the root.

phloem is 

• a vascular tissue that carries water and nutrients from the roots up to the stem and leaves.
• a vascular tissue that carries food from leaves to the the roots.
• another name for leaf.

What hair-like structure do paramecium have to help them move through their watery environment?

• Cilia
• Flagella
• Pseudopod
• False foot

Which of the following terms is NOT a method for fungi to obtain energy?

• Saprophytic
• Parasitic
• Flagellum
• Symbiotic

Which of the following groups would contain the largest number of organisms? 

• class
• order
• phylum
• family