Chapter 3 -4

Question 1

A tiny, nonliving particle that enters and then reproduces inside a living cell

Answer 1

Virus

Question 2

A substance used in a vaccination that consists of pathogens that have been weakened or killed but can still trigger the body to produce chemicals that can destroy the pathogens

Answer 2

Vaccine

Question 3

An organism that provided a source of energy or a suitable environment for a parasite to live with, in or on

Answer 3

Host

Question 4

Single-celled organisms that lack a nucleus;prokaryotes

Answer 4

Bacteria

Question 5

A eukaryotic organism that cannot be classified as an animal, plant, or fungus

Answer 5

Protist

Question 6

An organism that benefits by living with, on, or in a host in a parasitism interaction

Answer 6

Parasite

Question 7

Able to work against or hold off an opposing force

Answer 7

Resistant

Question 8

A group of similar cells that perform a specific function

Answer 8

Tissue

Question 9

A plant that has true vascular tissue for transporting materials

Answer 9

Vascular plants

Question 10

A low-growing plant that lacks true vascular tissue for transporting martial

Answer 10

Non vascular plants

Question 11

An animal with a backbone

Answer 11

Vertebrates

Question 12

An animal without a backbone

Answer 12

Invertebrates

Question 13

a body structure that is composed of different kinds of tissues that work together

Answer 13

Organ

Question 14

A vertebrate whose body temperature is regulated by its internal heat, and that has skin covered with hair or fur and glands that produce milk to feed its young

Answer 14

Mammals

Question 15

Balance of body parts

Answer 15

Symmetry

Question 16

What are the differences between viruses and bacteria?

Answer 16

1. Viruses are: Bacteria are:
   Larger the viruses
   nonliving. Mainly only affect one part of the body
   Sub-microscopic Help break down food we eat
   Only infects a living cell Neutralize toxins
   Often systemic infections happen

Question 17

Are fungi heterotrophs or autotrophs?

Answer 17

Heterotrophs

Question 18

What is unique about parasites?

Answer 18

Parasites cannot live on their own. They have to live in a host in or on a host and get energy from the host cell.

Question 19

What are 3 ways that fungi interact with each other?

Answer 19

Fungi form lichen with bacteria and algae, they cause diaper rash in babies, they help plants take up water, provide nutritious food, and produce chemicals in antibiotics.

Question 20

Could you have two or more viral infections at once?

Answer 20

Yes, you could have different viruses attacking the cells of the body. The viruses could attack different cells.

Question 21

How are these taxonomic groups closely related?

Fungi and protists

Answer 21

Fungi and protists are similar because they are in the same domain,eukaryote.