Chapter 3 Flashcards
True/False
Connective tissue, such as blood, consists of red and white blood cells and watery ground substance
True
Extracellular fluids are divided into blood plasma, interstitial fluid, and _____.
Lymph
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
The main supportive material in Arthropoda, nematodes, and annelids is
Cuticle
An organism with an acoelomate body plan and bilateral symmetry is the ________.
Flatworms
The two major fluid compartments of the animal body are….
The extracellular space and the intracellular space
What are the generalized development stages in metazoans (in order)?
Zygote, blastula, gastrula, complete gut formation
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.
Characteristics of deuterostomes include
None of the above
The cleavage process the cleaves an egg oblique to its axis and produces cells that lie in furrows is named _______ cleavage.
Spiral
Similar cells grouped together to perform a common function is called ________.
Tissues
True/False
The Metazoa consists of all multicellular animals except Porifera.
False
The contractile elements within a muscle fiber are
Myofibrils
True/False
The vast majority of animal phyla are bilaterally symmetrical with three embryonic germ layers
True
True/False
The simple animal cell, like the protozoan cell is capable of an independent existence
False
