Los Angeles Valley College » Biology » Biology 003 - Introduction to Biology » Fall 2022

Question #1

Which of the following Phylum contain the “spiny skin” organisms such as sea urchin, sand dollars, and sea stars?

A. Echinoderms

B. Playhelminthes

C. Cnidarians

D. Arthropods

Question #2

All animals _______________________.

A. Move at some point in their life. Have true tissues. Are multicellular.

B. Move at some point in their life. Eat other organisms. Have true tissues.

C. Have true tissues. Eat other organisms. Are multicellular.

D. Move at some point in their life. Eat other organisms. Are multicellular.

Question #3

A large population of deer experiences a massive flooding event and most of the population is wiped out. What is true of the remaining population?

A. They have experienced a bottleneck effect

B. All of these

C. They have experienced Evolution

D. They have less alleles than the original population

E. They have experienced Natural selection

Question #4

A biotic factor is something like the temperature, salinity, or amount of rain.

A. TRUE

B. FALSE

Question #5

What is the proper order for taxonomy from largest to smallest?

A. Species, Genus, class, order, family, Phylum, Kingdom

B. Kingdom, Phylum, Class, order, family, genu, species

C. Phylum, Kingdom, class, family, genus, species, order

D. Kingdom, Order, Phylum, Class, family, genus, species

Question #6

Permafrost is characteristic of

A. Desert

B. Tundra

C. Estuary

D. Temperate Broadleaf forest

Question #7

A biome is __________

A. All of these

B. None of these

C. a major terrestrial or aquatic ecosystem

D. characterized by vegetation type in terrestrial biomes

E. characterized by the physical environment in aquatic biomes