mollusks, arthropods, and echinoderms insects grs.pdfmollusks, arthropods, and echinoderms insects...
TRANSCRIPT
© Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
Name ____________________________ Date ____________________ Class ____________M
ollu
sks, A
rthro
po
ds,
an
d E
ch
ino
de
rms
InsectsThis section describes the characteristics of insects.
Use Target Reading SkillsAs you read, complete the cycle diagram below to show the steps in the complete metamorphosis of an insect. Write each step in a separate circle.
Complete Metamorphosis
Body Structure1. What is an insect?
________________________________________________________________________
________________________________________________________________________
2. Circle the letter of the body section to which wings and legs are attached.a. headb. thoraxc. abdomend. exoskeleton
3. Identify the body sections of the grasshopper below.
Adultinsect
p p
Mollusks, Arthropods, and Echinoderms ■ Guided Reading and Study
© Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
Name ____________________________ Date ____________________ Class ____________
Insects (continued)
4. Insects have two ________________________ eyes, which contain many lenses.
5. Insects get oxygen into their bodies through a system of ________________________.
Obtaining Food6. Is the following sentence true or false? If it is living, or if it once was
living, some kind of insect will eat it. ________________________
7. Insects get food using ________________________ that are highly specialized.
Life Cycle8. Complete the cycle diagram to show the stages of complete metamorphosis.
9. In gradual metamorphosis, the egg hatches into a(n) ________________________, which looks much like a small adult.
Insect begins life as a tiny, hard-shelled,
fertilized .
The insect is enclosed in a protective
covering. The insect at this stage is
called a(n) .
When its development is complete, the
leaves the pupal
case. It feeds and finds mates.
Immature form of the insect that looks
very different from the adult is a(n)
.
Mollusks, Arthropods, and Echinoderms ■ Guided Reading and Study