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Living Things

Review for Science Unit 1, Chapter 1: Comparing Living Things

QuestionAnswer
What organism cannot carry out all life processes? Viruses
The part of a plant cell specific to plant cells. (Animal cells do not have this) Cytoplasm
Scientists classify organisms by these traits. Body Structure, how it reproduces, and how it gets nutrients & energy
The largest group into which scientists classify living things. Kingdom
This group contains similar organisms. Genus
For hundreds of years living things were only classified as these two things. Plants and Animals
This organism has snakelike tentacles around its mouth that it uses to capture prey. Hydra
What organism lives on the ocean floor, eats clams, and has powerful suction cups? Sea Star
These organisms begin their lives breathing through gills, and then develop lungs. Amphibians
Dogs, bats, bears, whales, elephants, horses, cows, monkeys, and humans are all examples of _________? Mammals
These plants are small and grow near the ground in moist places. Moss
This vascular plant has long tube-like leaves that allow them to grow as tall as 20 feet! Ferns
Scientists classify flowering plants into two main groups based on: the number the leaflike structures inside their seeds
These cells carry messages from one part of the body to another. nerve cells
These cells carry oxygen to all cells in the body. red blood cells
A name for groups of similar cells tissues
This organ pumps blood throughout the body. heart
Tissues that work together are called.. organs
Name two ways protists are like plants. Protists have a green pigment like the chloroplasts of plants. Protists trap the sun's energy and produce sugar.
Explain how a conifer seed develops. A pollen grain carried by the wind lands on a seed cone, which has egg cells inside of it. A tube grows from the pollen down the cone into an egg cell. A sperm cell in the tube joins with the egg cell, and a seed develops.
Created by: creej
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