Of the following, identity the system you would find in a human, but not in a flatworm.

a nervous system

a digestive system

a respiratory system

How's protein digested?

All plants reproduce several times before dying. true. false.

How does the recycling of paper differ from the recycling of other products? a. Recycling paper has no measurable effect on the environment. b. Recycled paper products are more common than other recycled products. c.

Give an explanation of why warm air rises

People generally know that citrus fruits are good food sources of vitamin C, but there are plenty of non-citrus sources as well. What are some of the non-citrus foods are good sources of vitamin C?

The kingdom that contains organisms that are unicellular or multicellular and include algae and slime molds is

What is the function of the rough endoplasmic reticulum?

What material would be best used where water will accumulate? gravel or bedrock

Which structure is common to both gymnosperms and angiosperms? a. stigma b. carpel c. ovule d. ovary e. anthers?

Which of the following describes a person swinging a bat? A. wedge B. third class lever C. pulley D. screw