Which one of these exhibits a dorsal nerve cord at some stage of its development?

A) A jellyfish

B) A bony fish

C) A snail

D) A grasshopper

Mr. Miller's biology class is studying cellular respiration. To model cellular respiration, they set up an experiment containing four flasks. Each flask is the same size and are stoppered and placed under a floodlight.

Describe the structure of DNA

A Spanish scientist observes that salmon produce more eggs when grown in warmer aquariums. He asks his colleague in the United States to conduct the same experiment using the same aquarium equipment. Should he expect the results to be similar?

Which of the following foods contains about 15 grams of carbohydrate? a. 2 cups of brown rice b. 1 cup of cooked corn c. a slice of bread d. 1 cup of cooked tomatoes e, 1/2 cup of dried fruit

Arable farming definition

The functional role of sporopollenin is primarily to A) comprise spore surface structures that catch the wind and assist in spore dispersal. B) reduce dehydration. C) make spores less dense and able to disperse more readily. D) repel toxic chemicals.

17. The lungs and _ are protected by the chest wall. O A spleen O B. heart O C. pancreas O D. liver

Alluvial fans, deltas and depostion are examples of land formations that are formed from deposits by rivers. true or false

How does salt work to kill bacteria and make food safe to eat?

Which of these is the thinnest? A. plate B. lithosphere C. oceanic crust D. continental crust