40 Questions
What is the term for a grouping of animals that share a common ancestor?
Clade
What type of symmetry do starfish exhibit?
Radial
What is the domain of the taxonomy of an elephant?
Eukarya
What is the name of the period in which complex, multicellular organisms first appeared on Earth?
Ediacaran Period
What is the term for the process by which animals actively hunt and capture their prey?
Active predation
What is the name of the fossil discovered by Tina Negus?
Charnia masoni
What is the term for the pattern of body organization in which there is a head end and a tail end?
Bilateral symmetry
What is the phylum that includes sponges?
Porifera
What is the name of the event that released nutrients into the water, paving the way for the evolution of multicellular life?
Snowball Earth
What is the term for the diagram that represents the evolutionary relationships between animal groups?
Phylogenetic tree
What is the primary characteristic of epithelial cells in bilaterians?
They can be developed into other tissues
What is the function of adhesion junctions in animals?
To join tissues together
What is the primary advantage of radial symmetry in marine animals?
It enables feeding from multiple angles
What is the term for the line that runs straight down the middle of an animal with bilateral symmetry?
Sagital plane
What is the characteristic of sponges in terms of body symmetry?
They have no symmetry
What is the primary way that animals are grouped?
By their body symmetry
What is the term for the process by which animals take in food from outside their bodies?
Heterotrophic
What type of molecule is collagen?
Protein
What is the term for the study of the physical features of an organism?
Morphology
What is the term for the plane that runs down the middle of an animal with bilateral symmetry, perpendicular to the sagital plane?
Transverse plane
What is the characteristic that distinguishes Bilateral animals from Radial animals?
Presence of a head
What is the term for the grouping of animals that share a common ancestor?
Clade
What is the period in which complex, multicellular organisms first appeared on Earth?
Ediacaran period
What is the name of the event that released nutrients into the water, paving the way for the evolution of multicellular life?
Snowball Earth
What is the symmetry exhibited by starfish?
Radial
What is the term for the diagram that represents the evolutionary relationships between animal groups?
Phylogenetic tree
What is the phylum that includes sponges?
Porifera
What is the characteristic of epithelial cells in bilaterians?
Layers of skin
What is the name of the fossil discovered by Tina Negus?
Charnia masoni
What is the domain of the taxonomy of an elephant?
Eukarya
What is a characteristic that defines animals?
Being composed of multiple cells
What is unique about collagen in animals?
It is only found in animals
What is the term for the way that cells are joined together in animals?
Adhesion
What is the type of symmetry exhibited by animals that have multiple lines of symmetry?
Radial
What is the term for the plane that runs from head to tail in an animal with bilateral symmetry?
Sagital plane
Why is radial symmetry beneficial for marine animals?
It allows them to float in the water
What is the characteristic of epithelial cells in bilaterians?
They can develop into other tissues
What is the primary way that animals are grouped?
By their molecular relationships
What is the term for the line that runs straight down the middle of an animal with bilateral symmetry?
Midline
What is the characteristic of animals that do not have any symmetry?
They have no symmetry
Learn about the defining characteristics of animals, including their composition, nutritional habits, and cell structure. Discover how animals are grouped based on body symmetry and molecular relationships.
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