Podcast
Questions and Answers
What defines the two major groups of triploblastic animals?
What defines the two major groups of triploblastic animals?
In Deuterostomes, what does the blastopore become?
In Deuterostomes, what does the blastopore become?
Which group of animals exhibits Schizocoely coelom formation?
Which group of animals exhibits Schizocoely coelom formation?
What is the characteristic that defines animal symmetry?
What is the characteristic that defines animal symmetry?
Signup and view all the answers
What is the term used to describe the series of progressive changes in an individual from its beginning to maturity?
What is the term used to describe the series of progressive changes in an individual from its beginning to maturity?
Signup and view all the answers
Which type of animals are best suited for floating and rolling due to their symmetry?
Which type of animals are best suited for floating and rolling due to their symmetry?
Signup and view all the answers
During fertilization in marine organisms, what is released by the eggs to attract sperm of the same species?
During fertilization in marine organisms, what is released by the eggs to attract sperm of the same species?
Signup and view all the answers
What happens to the sperm after its membranes fuse with the egg during fertilization?
What happens to the sperm after its membranes fuse with the egg during fertilization?
Signup and view all the answers
What distinguishes Protostomes from Deuterostomes in terms of blastopore fate?
What distinguishes Protostomes from Deuterostomes in terms of blastopore fate?
Signup and view all the answers
What is the term used to describe a solid mass of cells (blastomeres) formed during early development?
What is the term used to describe a solid mass of cells (blastomeres) formed during early development?
Signup and view all the answers
What is the condition of the embryo when it has 8 to 16 blastomeres?
What is the condition of the embryo when it has 8 to 16 blastomeres?
Signup and view all the answers
In animal development, what key event occurs after fertilization sets in motion important changes in the egg cytoplasm?
In animal development, what key event occurs after fertilization sets in motion important changes in the egg cytoplasm?
Signup and view all the answers
Which type of symmetry is characterized by the body being divided into similar halves by more than 2 planes passing through the longitudinal axis?
Which type of symmetry is characterized by the body being divided into similar halves by more than 2 planes passing through the longitudinal axis?
Signup and view all the answers
What is one of the main characteristics associated with bilateral symmetry?
What is one of the main characteristics associated with bilateral symmetry?
Signup and view all the answers
In animal body plans, what does the term 'distal' refer to?
In animal body plans, what does the term 'distal' refer to?
Signup and view all the answers
Which plane divides a bilateral body into dorsal and ventral halves?
Which plane divides a bilateral body into dorsal and ventral halves?
Signup and view all the answers
What is a characteristic feature associated with animals exhibiting radial symmetry?
What is a characteristic feature associated with animals exhibiting radial symmetry?
Signup and view all the answers
Which animal falls under the category of organisms exhibiting bilateral symmetry?
Which animal falls under the category of organisms exhibiting bilateral symmetry?
Signup and view all the answers
What is the major goal of systematics?
What is the major goal of systematics?
Signup and view all the answers
What does a scientific name of an animal consist of?
What does a scientific name of an animal consist of?
Signup and view all the answers
What is homoplasy in terms of character similarity?
What is homoplasy in terms of character similarity?
Signup and view all the answers
How are taxonomic characters used in phylogenetic reconstruction?
How are taxonomic characters used in phylogenetic reconstruction?
Signup and view all the answers
What is a cladogram based on?
What is a cladogram based on?
Signup and view all the answers
Why are names of genera required to refer only to a single group of organisms?
Why are names of genera required to refer only to a single group of organisms?
Signup and view all the answers
What is a clade?
What is a clade?
Signup and view all the answers
What is a synapomorphy?
What is a synapomorphy?
Signup and view all the answers
What does a polytomy in a phylogenetic tree represent?
What does a polytomy in a phylogenetic tree represent?
Signup and view all the answers
How do phylogenetic trees help in identifying species?
How do phylogenetic trees help in identifying species?
Signup and view all the answers
What is the significance of a branch point in a phylogenetic tree?
What is the significance of a branch point in a phylogenetic tree?
Signup and view all the answers
Why is it important for systematists to distinguish between homology and analogy when constructing a phylogeny?
Why is it important for systematists to distinguish between homology and analogy when constructing a phylogeny?
Signup and view all the answers
