Science Part 1

Front 1

Why do scientists classify fish, amphibians, reptiles, birds, and mammals together in one group?

Back 1

Because they all have a similiar body structure- an internal skeleton and backbone.

Front 2

What are similiar body structures that related species have inherited from a common ancestor called?

Back 2

homologlus structures

Front 3

What similarities in developement lead scientists to infer that turtles, chickens and rats share a common ancestor?

Back 3

They all have a tail and tiny gill slits in their throats.

Front 4

Evidence supports the conclusion that turtles are more closely related to what animal then they are to rats?

Back 4

Chickens

Front 5

What two charecteristics do all plants share?

Back 5

are autotrophs that produce their own food, and are eukaryotes that contain many many cells.

Front 6

What is the process that plants make their own food called?

Back 6

Photosynthesis

Front 7

What is the boundary called that surrounds the cell membrane and seperates the cell from the environment?

Back 7

Cell Wall

Front 8

What are cell walls mostly made of?

Back 8

Cellulose- a chemical that makes the walls rigid.

Front 9

What is the vasculat tissue through which food moves?

Back 9

phloem

Front 10

What two charecteristics do all seed plants share?

Back 10

They have vascular tissue and use seeds to reproduce.

Front 11

A plant that produces seeds that are enclosed in a fruit is called what?

Back 11

Angiosperm

Front 12

What is the reproductive structure of an angiosperm?

Back 12

flower

Front 13

What are two charecteristics of an angiosperm?

Back 13

they produce flowers and fruits

Front 14

What are the two major groups of the angiosperms?

Back 14

Monocots and Dicots

Front 15

When a flower is pollinated, a grain of pollen falls on what?

Back 15

first on a stigma