Appearance

How something looks.


Source
Glasses help you to see the appearance of something.
https://www.flickr.com/photos/teegardin/5547069087

Communication

To make a message known; sending messages to another.


Source
https://www.flickr.com/photos/cwkarl/14706451103

Crustaceans

Ocean animals like lobsters, shrimp, and crabs.


Source
http://maxpixel.freegreatpicture.com/Seafood-Lobster-Crustacean-Shellfish-Marine-516554

Echolocation

The sound waves that dolphins send out by clicking; helps them to locate objects and communicate.


Source
https://commons.wikimedia.org/wiki/File:Dolphin_echolocation.jpg

Mammal

Warm-blooded animals, like humans, that nurse their young, and have hair for at least part of their life.


Source
https://en.wikipedia.org/wiki/Bottlenose_dolphin

Migrate

To move from one place to another.


Source
https://www.flickr.com/photos/49595179@N00/263812558/in/photolist-pj7ho-zCPM2-oip4V-tGd4G-jsWqP-8ghFqg-89z4mv-VXyJf-9rgB29-5ZKXWu-8PJeen-eivU1Q-a5WDR5-8YfqvU-JJmF8-4Xgg5s-4W7zKK-9cFWTK-7prHoM-dG4PFU-mCS19g-pHPctH-nF92t9-6P9PAu-8TVC1r-gr5X-97YCZJ-4Kq4XN-rpRkD-5ZMKMt-8qcMbW-5VYwG7-4ji3p-59tSsW-aCD1H-2vfFJ-pCcVYn-5f8U9J-dncBkf-prTja3-6NjJry-7GXaaQ-8YfqJj-7EV8NQ-4vrPTT-9Rw7NL-KGpAd-GnaSnT-gsSG9Y-9Z66PL

Nursing

When a mother feeds her baby milk from her own body.


Source
Whale nursing her baby (similar to how a dolphin nurses)
http://www.flickr.com/photos/iwona_kellie/2611852659/sizes/o/in/set-72157605823930389/

Oceanic

Something that comes from/lives in the ocean.


Source
https://www.pexels.com/photo/beach-dawn-dusk-ocean-189349/

Pod

A group of dolphins.


Source
https://commons.wikimedia.org/wiki/File:Dolphins_gesture_language.jpg

Predator

An animal that kills and eats other animals.


Source
The Shark is the fish's predator
http://www.publicdomainpictures.net/view-image.php?image=2696

Prey

An animal hunted or killed by another animal for food.


Source
The smaller fish are the prey in this picture.
http://www.publicdomainpictures.net/view-image.php?image=2696

Species

A category of living things with similar characteristics.


Description | Source
Common Dolphin Species
Attribution: National Oceanic and Atmospheric Administrationhttp://www.photolib.noaa.gov/htmls/anim0916.htm