Section 33 3 Form PDF Details

Do you understand the importance of Section 33 3 Form? Knowing about this form and when it should be used can be essential to running a successful business. With the right knowledge, you can ensure that all legal requirements are met by both yourself and your employees. But what exactly is Section 33 3 Form, why is it important, and when do you need to use it? This blog post will provide an in-depth overview of everything relating to Section 33 3 Form so that you have a clear understanding of how this document works within your business.

Form NameSection 33 3 Form
Form Length3 pages
Fillable fields0
Avg. time to fill out45 sec
Other namestunicates, U09, false, ovoviviparous

Form Preview Example

Name______________________________ Class __________________ Date ______________


(pages 857–864)

Key Concept

How do the organ systems of the different groups of chordates carry out essential life functions?

Feeding (pages 857–858)




1. Most tunicates and all lancelets are



. They remove

plankton from the water that passes through their




2.Circle the letter of the vertebrates that are filter feeders.

a. tunicates

b. flamingoes

c. manta rays

d. crocodiles

3.What adaptations do vertebrates have to feed on nectar?

4.Is the following sentence true or false? Mammals with sharp canine teeth and incisors are filter feeders.

5.Circle the letter of the vertebrates that typically have short digestive tracts that produce enzymes.

a. herbivores b. endotherms c. carnivores d. ectotherms

Respiration (pages 858–859)

6.Is the following sentence true or false? Generally, aquatic chordates use lungs for respiration.

7.List three examples of respiratory adaptations or structures used by chordates in addition to gills and lungs.




8.Describe the basic process of breathing among land vertebrates.

9.Is the following sentence true or false? Mammals typically have more surface area in their lungs than amphibians.

10.Bubblelike structures in the lungs that provide an enormous surface area for gas

exchange are called


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Name______________________________ Class __________________ Date ______________

11.Complete the flowchart that describes the path of water as it moves through a fish. See Figure 33–9 on page 859.

Water flows in through the fish’s ______________________, where muscles pump the water across

the ______________________.

As water passes over the gill filaments, ______________________ molecules diffuse into blood in the

capillaries. At the same time, _______________________________ diffuses from blood into water.

Water and carbon dioxide are pumped out through the ______________________.

12.Why do mammals need large amounts of oxygen?

13.Why are the lungs of birds most efficient?

Circulation (pages 860–861)

14.Is the following sentence true or false? Chordates that use gills for respiration have a single-loop circulatory system.

15.Identify where the blood is carried in each loop of a double-loop circulatory system. First loop:

Second loop:

16.Is the following sentence true or false? In a double-loop system, oxygen-poor blood from the heart is carried to the body.

17.In vertebrates with gills, the heart consists of

18.What is the advantage of the reptilian heart over the amphibian heart?

19.Why is a four-chambered heart sometimes described as a double pump?

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Name______________________________ Class __________________ Date ______________

Excretion (page 861)

20. In nonvertebrate chordates and fishes,



play an important role in

excretion. However, most vertebrates rely on




21.Circle the letter of each chordate that eliminates nitrogenous wastes as urea.

a. tunicates

c. birds

b. reptiles

d. mammals

22.How do vertebrate kidneys help maintain homeostasis?

Response (page 862)

23.Is the following sentence true or false? Nonvertebrate chordates have a complex brain with distinct regions.

24.Circle the letter of the part of the brain that controls the function of many internal organs.


medulla oblongata


olfactory bulbs


optic lobes



25.Is the following sentence true or false? The cerebrum and cerebellum are most developed in birds and mammals.

Movement (page 863)

26. Although nonvertebrate chordates lack bones, they do have


27.What structures make it possible for vertebrates to control movement?

Reproduction (page 864)

28.Is the following sentence true or false? Vertebrate evolution shows a general trend from internal to external fertilization.

29.Circle the letter of development in which the eggs develop internally and the embryos receive nutrients from the yolk surrounding them.









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