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. Arthropods

B. Playhelminthes

C. Cnidarians

D. Echinoderms

Question #2

All animals _______________________.

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

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

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 less alleles than the original population

D. They have experienced Evolution

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

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

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

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

Question #6

Permafrost is characteristic of

A. Temperate Broadleaf forest

B. Desert

C. Tundra

D. Estuary

Question #7

A biome is __________

A. All of these

B. characterized by vegetation type in terrestrial biomes

C. a major terrestrial or aquatic ecosystem

D. characterized by the physical environment in aquatic biomes

E. None of these