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Flashcards in Chapter 3 Deck (15)
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1

True/False

Connective tissue, such as blood, consists of red and white blood cells and watery ground substance

True

2

Extracellular fluids are divided into blood plasma, interstitial fluid, and _____.

Lymph

3

True/False

As animals increase in size, the body surface increases much more slowly than body volume, making it difficult for activities served from the body surface to provision the mass of cells within

True

4

The main supportive material in Arthropoda, nematodes, and annelids is

Cuticle

5

An organism with an acoelomate body plan and bilateral symmetry is the ________.

Flatworms

6

The two major fluid compartments of the animal body are....

The extracellular space and the intracellular space

7

What are the generalized development stages in metazoans (in order)?

Zygote, blastula, gastrula, complete gut formation

8

You discover a radial symmetrical animal in an early development stage. How would you determine if it is an echinoderm of cnidarian?

Determine if two embryonic layers are present.

9

Characteristics of deuterostomes include

None of the above

10

The cleavage process the cleaves an egg oblique to its axis and produces cells that lie in furrows is named _______ cleavage.

Spiral

11

Similar cells grouped together to perform a common function is called ________.

Tissues

12

True/False

The Metazoa consists of all multicellular animals except Porifera.

False

13

The contractile elements within a muscle fiber are

Myofibrils

14

True/False

The vast majority of animal phyla are bilaterally symmetrical with three embryonic germ layers

True

15

True/False

The simple animal cell, like the protozoan cell is capable of an independent existence

False