YL DA 1 Characteristics of Life/Ecology

The images below are several viruses. Choose all the reasons that apply on why viruses to be classified as NONLIVING

• Contain genetic material

• They can not maintain homeostasis

• They can not reproduce

• They can't grow or develop

• They are not made up of cells

What are the levels of biological organization from simple to most complex?

• tissue, cell, organ system, organism

• organism, organ system, organ, cell, tissue

• organelle, tissue, organ system, organism

• cell, tissue, organ, organ system, organism

A collection of cells will form which level of organization

• organ

• organism

• cells

• tissues

What is the basic unit of life?

• organelle

• cell

• atom

• molecule

You walk outside and the bright light is blinding, your eyes dilate, this is an example of what?

• adaptation

• homeostasis

• response to stimuli

• development

All viruses contain which of the following?

• Capsule (protein coat)

• Plasmid

• Genetic material

• Peptidoglycan cell wall

Viruses reproduce but have to have a

• a unicellular cell

• a host cell

• a multicellular cell

The basic unit of matter (makes up the universe) is

• atom

• molecule

• cell

• tissue

Sunlight, temperature and moisture are examples of:



• biotic factors

• abiotic factors

A group of zebras living in the pride lands is an example of which level of organization?

• ecosystem

• community

• biosphere

• population