Biology Vertebrates

What is cartilage?

• replaces notochord, surrounds and protects dorsal nerve cord

• tough, flexible material making up the skeletons or parts of skeletons of vertebrates

• group of cells that develop from nerve cord in vertebrates

• vertebral/spinal column

Tags

NGSS.MS-LS1-3

Which of the following is NOT a key characteristic of vertebrates?

• endoskeleton

• closed circulatory system

• presence of hair/fur

• complex brain and nervous system

What are fins?

• paddle-shaped structures on a fish or other aquatic animals

• small, flat, platelike structures near the surface of the skin

• group of cells that develop from nerve cord in vertebrates

• tough, flexible material making up skeletons or parts of skeletons of vertebrates

Tags

NGSS.MS-LS4-2

Which of the following is characteristic of jawless fishes?

• lobe-finned and ray-finned

• Includes sharks, skates, and rays

• Have a skeleton made of bones

• Lack scales, paired fins, or a bony skeleton

Which of the following is characteristic of bony fishes?

• includes sharks, skates, and rays

• lobe-finned and ray-finned

• flexible skeleton made of cartilage

• lack scales, paired fins, or a bony skeleton

Which of the following is characteristic of cartilaginous fishes?

• lack scales, paired fins, or a bony skeleton

• lobe-finned and ray-finned

• most fishes belong to this class

• includes sharks, skates, and rays

Which of the following is characteristic of order Anura?

• lacks tails, have long legs

• includes salamanders and news

• about 400 species

• legless and wormlike

Tags

NGSS.MS-LS4-2

Which of the following is characteristic of order Caudata?

• lacks tails, have long legs

• includes salamanders and news

• about 4,200 species

• legless and wormlike

Which of the following is characteristic of order Gymnophiona?

• lacks tails, have long legs

• includes salamanders and news

• about 4,200 species

• legless and wormlike

Which of the following is NOT a key characteristic of reptiles?

• dry, scaly skin

• clawed toes

• endotherms

• most have three-chambered heart