How can sharks be identified using a key?

To classify an organism, scientists often use a dichotomous key. A dichotomous key is a listing of specific characteristics, such as structure and behavior, in such a way that an organism can be identified through a process of elimination.

What was the main difference between Sharks 4 and 8?

Which main characteristics could be used to distinguish shark 4 from shark 8? The main difference between sharks 4 and 8 was is that shark 4 (Carcharhinidae) has an anal fin, whereas shark 8 (Squalidae) does not. 3.

Do all the sharks you will try to identify belong to the same genus explain your answer?

Do all the sharks you will try to identify belong to the same genus? Explain your answer. No, some sharks could also just look similar, or be the same species.

What is the classification of shark?

Cartilaginous fishesSharks / ClassChondrichthyes is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or bony fishes, which have skeletons primarily composed of bone tissue. Wikipedia

What is a shark key?

Shark Key is an island in the lower Florida Keys about 7 miles east of Key West.

Which main characteristics could be used to distinguish shark 4 from shark 7?

The main difference between sharks 4 and 7 was that shark 4 (Carcharhinidae) has a caudal fin where the top half is different in shape and size from the bottom half whereas shark 7 (Isuridae) has a caudal fin that is nearly the same size on both lobes.

Which main characteristics could be used to separate shark 4 from shark 8?

Which main characteristics could be used to distinguish shark 4 from shark 8?

How do we determine the scientific name for organisms like sharks?

GENUS. The first word of a species’ scientific name is the genus. The Shortfin Mako’s scientific name is Isurus oxyrinchus and the Longfin Mako is Isurus paucus. Isurus is the Genus and shows us that these 2 species are closely related.

What are sharks characteristics?

The skin typically is dull gray and tough and has toothlike scales. Most sharks have a muscular, asymmetrical, upturned tail; pointed fins; a pointed snout; and sharp triangular teeth. Sharks have no swim bladder and must swim perpetually to keep from sinking.