What does ectotherm mean?

• body temp remains constant

• external skeleton

• body temp changes with environment

• no backbone

Which phylum of vertebrates are ectothermic? Select all.

• fish

• amphibians

• reptiles

• birds

Which phylum of animals have radial symmetry, stinging tentacles and live in the water?

• Echinoderms

• Mollusks

• Arthropods

• Cnidarians

All animals with a backbone are in what phylum?

• Arthropod

• Chordata

• Mammal

• Endoskeleton

Tags

NGSS.MS-LS4-2

All of the following are true about arthropods except...

• They have bilateral symmetry.

• They include the snails and worms.

• They often have an exoskeleton.

• Insects and spiders are arthropods.

Which of the following are characteristics of the animal kingdom? Select all that apply.

• heterotrophs

• vascualar or non-vascular

• multi-cellular and complex

• move from place to place

Which division of plants are non-vascular, close to the ground and include the mosses?

• pteridophytes

• gymnosperms

• angiosperms

• bryophytes

Which division of plants are seedless and vascular and include ferns?

• pteridophytes

• gymnosperms

• angiosperms

• bryophytes

Which division of plants are vascular and have seeds protected in cone like structures?

• pteridophytes

• gymnosperms

• angiosperms

• bryophytes

Which division of plants are the most abundent, produce flowers and have the seeds typically protected in fruits?

• pteridophytes

• gymnosperms

• angiosperms

• bryophytes