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Worksheets#157 Chapter 9 Introduction to Animals Chapter Study Guide
Total questions: 19
Worksheet time: 23mins
Mollusks such as snails have a thin layer of tissue to protect its internal organs. What is it called?
mammal
a mantle
parasite
All animals have this trait in common. What is it?
cell wall
fur or hair
nerve cells
Scientists use a system called _____ to organize living things.
behavior.
taxonomy.
adaptation.
An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment. What is an essential characteristic of an adaptation?
It is helpful.
It is structural.
It is functional.
What is an invertebrate?
an animal that eats other animals
an animal that has a backbone
an animal that does not have a backbone
This group of invertebrates contains the most animals. What is it?
cnidarians
arthropods
echinoderms
What group of vetebrate chordates do humans belong?
reptiles
mammals
amphibians
During _____ the body form of an organism changes as it grows from an egg to an adult.
adaptation
gill
metamorphosis
parasite
During _____ the body form of an organism changes as it grows from an egg to an adult.
adaptation
gill
metamorphosis
parasite
An inherited trait that increases a species' chances of survival is a(n) _____.
adaptation
gill
metamorphosis
parasite
A(n) _____ exchanges oxygen and carbon dioxide in water.
adaptation
gill
metamorphosis
parasite
A(n) _____ is an organism that lives in or on another organism, gets food from that organism, but does not help that organism's survival.
adaptation
gill
metamorphosis
parasite
What kind of symmetry is showing for #12?
asymmetry
bilateral symmetry
radial symmetry
What kind of symmetry is showing for #13?
asymmetry
bilateral symmetry
radial symmetry
What kind of symmetry is showing for #14?
asymmetry
bilateral symmetry
radial symmetry
From the three different body plans, which group do you belong?
the group that contains organisms with asymetry
the group that contains organisms with bilateral symmetry
the group that contains organisms with radial symmetry
List the four (4) characteristics that all chordates share.
a notochord, a tail, a nerve cord, and pharyngeal pouches
a leg, a notochord, a tail, and a nerve chord
a tail, a nerve chord, pharyngeal pouches, and a mantle
What is the one trait that makes birds different from all other groups of animals.
They are the only group of animals that can fly.
They are the only group of animals that have wings.
They are the only group of animals that have feathers.
Contrast the way most mammal young are born with the way the young of other vertebrate chordates are born.
Mammals are the only phylum of invertebrate chordates in which all groups lay eggs. Most mammals have live young. The monotremes (platypuses and echidnas) are the only group of invertebrate mammals that lay eggs.
Mammals are the only phylum of vertebrate chordates in which all groups do not lay eggs. Most mammals have live young. The monotremes (platypuses and echidnas) are the only group of vertebrate mammals that lay eggs.
Mammals are the only phylum of invertebrate chordates in which all groups lay eggs. Most mammals have live young. The monotremes (platypuses and echidnas) are the only group of vertebrate mammals that do not lay eggs.
Mammals are the only phylum of vertebrate chordates in which all groups do not lay eggs. Most mammals have live young. The monotremes (platypuses and echidnas) are the only group of invertebrate mammals that lay eggs.
