n. = noun, v. = verb, adj.= adjective

reef =  (n.) a chain of rocks or coral or a ridge of sand at or near the surface of water

coral = (n.) a hard material formed on the bottom of the sea by the skeletons of small creatures

separate = (adj.) not joined, connected, or combined : placed or kept apart

                (v.) to cause (two or more people or things) to stop being together, joined, or connected : to make (people or things) separate

appear =  (v.) to seem to be something : to make someone think that a person or thing has a particular characteristic : look, seem

barren = (adj.) having very few plants (and/or living things) : not suitable for plants (and/or living things)

teem ("teeming") = (v.) to be full of (life and activity) : to have many (people or animals) moving around inside

variety =  (n.) a number or collection of different things or people —usually + of

access = (n.) a way of getting near, at, or to something or someone

              (v.) to gain access to (something): such as a : to be able to use, enter, or get near (something)

alternate ("alternating") = (v.) to place or do (different things) so that one follows the other in a repeated series [+ obj]

                                      (adj.) occurring in or forming a repeated series

                                      (n.) someone who is chosen to take another person's place if that person is not able to be present or to do a required job

appropriate = (adj.) right or suited for some purpose or situation

equipment = (n.) supplies or tools needed for a special purpose

anticipate = (v.) supplies or tools needed for a special purpose: expect

habitat = (n.) the place or type of place where a plant or animal naturally or normally lives or grows

entire = (adj.) complete or full : not lacking or leaving out any part

ambitious = (adj.)  having ambition : having a desire to be successful, powerful, or famous

endeavor =  (v.) to seriously or continually try to do (something)

                  (n.) a serious effort or attempt [count]

appreciation = (n.) a feeling of being grateful for something

foreign= (adj.) located outside a particular place or country and especially outside your own country

barrier = (n.) something (such as a fence or natural obstacle) that prevents or blocks movement from one place to another

accumulate = (v.) to gather or acquire (something) gradually as time passes

Coral: The ocean has many corals

Reef:Corals are friend of the reef.

Separate:The sofa and the tv are separate.

Appear:I appear to be sick.

Barren:The dessert is barren.

Teem:That mountain is teeming with life.

Variety:My dog has had a variety of growth stages

Access:Having internet access is very important.

Alternate:When my teacher was sick an alternate teacher