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Questions and Answers
What defines the two major groups of triploblastic animals?
What defines the two major groups of triploblastic animals?
- Symmetry type
- Number of germ layers (correct)
- Coelom formation
- Cleavage patterns
In Deuterostomes, what does the blastopore become?
In Deuterostomes, what does the blastopore become?
- Coelom
- Mesoderm
- Anus (correct)
- Mouth
Which group of animals exhibits Schizocoely coelom formation?
Which group of animals exhibits Schizocoely coelom formation?
- Reptiles
- Fish
- Mammals
- Earthworms (correct)
What is the characteristic that defines animal symmetry?
What is the characteristic that defines animal symmetry?
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?
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?
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?
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?
What distinguishes Protostomes from Deuterostomes in terms of blastopore fate?
What distinguishes Protostomes from Deuterostomes in terms of blastopore fate?
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?
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?
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?
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?
What is one of the main characteristics associated with bilateral symmetry?
What is one of the main characteristics associated with bilateral symmetry?
In animal body plans, what does the term 'distal' refer to?
In animal body plans, what does the term 'distal' refer to?
Which plane divides a bilateral body into dorsal and ventral halves?
Which plane divides a bilateral body into dorsal and ventral halves?
What is a characteristic feature associated with animals exhibiting radial symmetry?
What is a characteristic feature associated with animals exhibiting radial symmetry?
Which animal falls under the category of organisms exhibiting bilateral symmetry?
Which animal falls under the category of organisms exhibiting bilateral symmetry?
What is the major goal of systematics?
What is the major goal of systematics?
What does a scientific name of an animal consist of?
What does a scientific name of an animal consist of?
What is homoplasy in terms of character similarity?
What is homoplasy in terms of character similarity?
How are taxonomic characters used in phylogenetic reconstruction?
How are taxonomic characters used in phylogenetic reconstruction?
What is a cladogram based on?
What is a cladogram based on?
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?
What is a clade?
What is a clade?
What is a synapomorphy?
What is a synapomorphy?
What does a polytomy in a phylogenetic tree represent?
What does a polytomy in a phylogenetic tree represent?
How do phylogenetic trees help in identifying species?
How do phylogenetic trees help in identifying species?
What is the significance of a branch point in a phylogenetic tree?
What is the significance of a branch point in a phylogenetic tree?
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?
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