in a plant, roots absorb water and nutrients. those materials are then transported to other parts of the plant.

which statements describe the system in an animal that functions in a similar way?

choose all answers that are correct.

a. the water in a plant's system functions like the hormones in an animal's body, and hormones move nutrients throughout the animal's body.
b. the circulatory system is responsible for transporting materials throughout the animal's body.
c. the endocrine system is responsible for transporting materials throughout the animal's body.
d. the water in a plant's system functions like the blood in an animal's body, moving needed nutrients throughout the organism.

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.