Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

15 Cards in this Set

  • Front
  • Back
Why do scientists classify fish, amphibians, reptiles, birds, and mammals together in one group?
Because they all have a similiar body structure- an internal skeleton and backbone.
What are similiar body structures that related species have inherited from a common ancestor called?
homologlus structures
What similarities in developement lead scientists to infer that turtles, chickens and rats share a common ancestor?
They all have a tail and tiny gill slits in their throats.
Evidence supports the conclusion that turtles are more closely related to what animal then they are to rats?
What two charecteristics do all plants share?
are autotrophs that produce their own food, and are eukaryotes that contain many many cells.
What is the process that plants make their own food called?
What is the boundary called that surrounds the cell membrane and seperates the cell from the environment?
Cell Wall
What are cell walls mostly made of?
Cellulose- a chemical that makes the walls rigid.
What is the vasculat tissue through which food moves?
What two charecteristics do all seed plants share?
They have vascular tissue and use seeds to reproduce.
A plant that produces seeds that are enclosed in a fruit is called what?
What is the reproductive structure of an angiosperm?
What are two charecteristics of an angiosperm?
they produce flowers and fruits
What are the two major groups of the angiosperms?
Monocots and Dicots
When a flower is pollinated, a grain of pollen falls on what?
first on a stigma