[DOC] [TLE] How Are Dolphins and Porpoises Different? | Wonderopolis [PAR] Dolphins usually have beak-like, pointed snouts, while porpoises have blunt, ... 
Porpoises have triangular dorsal fins, like a shark. ... The teeth of the two animals 
offer an easy way to tell them apart. Porpoise teeth are flat and rectangular. ... 
One last difference to note is that dolphins produce sounds that humans can hear
. [DOC] [TLE] What's the difference between dolphins and porpoises? [PAR] Dolphins and porpoises differ in their faces, fins, and body shapes. ... are 32 
dolphin species (plus five closely related species of river dolphin) and only six ... 
Dolphins tend to have prominent, elongated beaks and cone-shaped teeth, 
while ... middle of the animal's back) also differs from the porpoise's triangular 
dorsal fin. [DOC] [TLE] Shark tooth - Wikipedia [PAR] A shark tooth is one of the numerous teeth of a shark. A shark tooth contains 
resistant calcium ... The type of tooth that a shark has depends on its diet and 
feeding habits. ... those that have pointed lower teeth for gripping and triangular 
upper teeth with ... [1] These sharks filter feed on prey by opening their mouths to 
let tiny... [DOC] [TLE] 10 Animals With Incredible Teeth (animal teeth) - ODDEE [PAR] Dec 11, 2012 ... From the fish that grows teeth on its tongue to the prehistoric shark that could eat 
a mid-sized sedan, these animals have incredible sets of teeth and killer smiles. 
... one of the most infamous animals for having razor-sharp teeth and attacking ... 
Piranhas have unusually triangular teeth, which allows for tight... [DOC] [TLE] Shark Teeth - EnchantedLearning.com [PAR] SHARK TEETH Sharks may have up to 3,000 teeth at one time. These teeth are 
modified placoid scales that have the same structure as a tooth, having an outer... [DOC] [TLE] Origin of Whales - Indiana University Bloomington [PAR] Dissenters have pointed out the many unique features of whales, perfectly ... 
have developed by gradual changes over time from a totally different kind of 
animal. ... the issue of whale origins, and demonstrates one of science's greatest 
tools for ... These teeth are always simple cones or pegs; they are not 
differentiated by... [DOC] [TLE] Ocean Theme Day Traveling Outreach Program Pre - National ... [PAR] one can be adapted for different grade levels (K-2; 3-6). Marine Mammals: Learn 
..... have hard, flat teeth for crushing crabs, clams, oysters and other shellfish. [DOC] [TLE] Sharks-Educator's Guide - Sharks 3D [PAR] Dolphin. 28. UNIT III - Activities: The Cast of SHARKS. 30. Activity # 1 - Cross out 
... Among these are the three largest fish in the sea - the whale shark, the ... 
unlike many other animals, sharks continuously get new teeth to replace .... 
Fertilized eggs develop in three different ways depending on the shark ..... 
pointed teeth. [DOC] [TLE] Dolphin PK Teacher's Guide - Atlantis [PAR] world as well as ways they can help conserve them. ... These groups will join 
others and spend a part of each day together. These ... If the students are having 
trouble thinking of another animal, make the sound ... Toothed whales have teeth 
and one ... Step 1: Explain to students that dolphins have different types of 
families. [DOC] [TLE] Shark Traveling Trunk - National Park Service [PAR] 1. HOW TO USE THIS TRUNK: This traveling trunk is designed to be used in the 
... Please complete the evaluation form contained in this trunk if you have any ..... 
The shark can change the angle of these fins to swim either up or down; ... 
Different species of sharks have different shaped teeth. .... man in many different 
ways. [DOC] [TLE] Misc Archives - Free online magazine subscription - Themagreader ... [PAR] Crocodiles have 80 teeth and are classified as polyphyodonts. ... Different types 
of crocodiles prey on different animals. In short, crocodiles eat all the animals that 
come across their way. .... Pour some Coca-Cola on the grease stains, leave it for 
1-2 hours, wash

Question: Having flat teeth is one way that these animals differ from the related dolphins who have pointy triangular teeth
Answer: porpoises