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What are the major evolutionary trends among the metazoan invertebrate phyla?
Wiki User
∙ 11y ago
Perhaps the most significant evolutionary trend among the metazoan invertebrate phyla is that of cephalization. This term refers to the development of a head, containing a brain. Another process called segmentation allowed animals to develop distinct body parts, such as legs, wings and feelers.
Wiki User
∙ 11y ago
Wiki User
∙ 9y agoTooth reduction is one of the major evolutionary trends that developed among major vertebrate groups that allowed for the transition from aquatic to terrestrial life. Evolution of limbs and being able to breath air are other evolutionary trends that took place.
Wiki User
∙ 11y agoComplex animals tend to have high levels of cell specialization and internal body organization, bilateral body symmetry, a front end or head with sense organs and a body cavity.
Wiki User
∙ 14y agoThe five trends are listed at http://faculty.evansville.edu/de3/b10804/PDFs/3_Animalia.pdf
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Why is volvox considered a protist rather than a metazoan animal?
Volvox is colonial organism as it lacks proper division of labour among cells, cells are not differentiated.
Does a dichotomous key show evolutionary relationships among organisms?
yes
What is a cladogram?
A cladogram is a diagram that shows the evolutionary relationships among a group of organisms. a diagram showing evolutionary relationships
Phylogeny refers to what aspect of individuals?
Evolutionary relationships
What trends in size are found among elements in the same period?
The atomic radius decrease from left to right.
What information can be obtained from a cladogram?
Cladograms tell you which animals are the closet in relationship, which are the farthest, what characteristics the animals have in common, what characteristics they would need to have in order to be closely related to them, and the number of shared characteristics between the animals.
Where does evolutionary systematics place birds?
Evolutionary biology places birds among the dinosaurs.
What is the purpose of a tool that monitors trends?
The purpose of a tool that monitors trends is to locate specific trends in areas. It is also to locate patterns among the trends. By doing so, scientists or analysts can find something similar among the trends and use that as data for their research.
Many market trends are intensified by a instinct among investors?
herd
Why is volvox considered a protist rather than a metazoan animal?
Volvox is colonial organism as it lacks proper division of labour among cells, cells are not differentiated.
How do scientist infer evolutionary relationships among organisms?
scientists can infer how closely related the organisms are in an evolutionary sense
Do taxonomist try to identify the evolutionary relationships among organisms?
No
Study of evolutionary relationships among organisms?
phylogeny
What are the trends among teenager?
Some current trends among teenagers include social media use, interest in sustainability and activism, mental health awareness, and virtual communication and gaming. Fashion trends, music preferences, and slang terms also constantly evolve among teenagers.
How do you determine the evolutionary relationships among species?
examining the fossil records.
Evolutionary biology is the study of?
changes in genes within and among populations
Does a dichotomous key show evolutionary relationships among organisms?
yes
