Adaptations and morphologic features of major fossil groups?

1. What are examples of morphological adaptations?
2. What is a morphological adaptation?
3. What are the sources of morphological variation in fossil samples?
4. Did trilobites have hard shells?
5. What are the morphological features?
6. What are three morphological adaptations?
7. What is adaptation give the 3 types of adaptation?
8. Why the morphological characteristics are important in evolution?
9. What are the examples of morphology?
10. What do you think are the main factors that causes morphological differences in plants?
11. Is it a good idea to identify species using only the morphological features?
12. How does morphology provide evidence of evolution?
13. Is a horseshoe crab a trilobite?
14. Are triops related to trilobites?
15. Are trilobites crustaceans?

What are examples of morphological adaptations?

Morphological adaptations include the rewiring of developmental programs for physical separation of male and female flowers on the same plant or in different plants, temporal separation by differential maturation of male and female flowers or organs, or remolding of flower structure (Barrett, 2002).

What is a morphological adaptation?

Morphological adaptation is a structural change which gives an organism a greater chance of survival in its habitat. ... Its structural adaptation is to have large ears. This allows heat to be radiated from the body helping to cool it down.

What are the sources of morphological variation in fossil samples?

Morphological variation can come from many sources, such as an animal's health, its geographic range, and its age. Variation is one of the problems associated with understanding and classifying fossil species, and scientists are constantly revising their ideas of what sort of variation to expect within a species.

Did trilobites have hard shells?

Exoskeleton and Trilobite Enrollment

Trilobites have a hard calcite shell protecting them, similar to a crab. These exoskeletons are usually the only part of a trilobite that survives fossilization.

What are the morphological features?

Morphological Traits: changes to the outward appearance of an animal as well as the form and structure of internal parts, like bones and organs.

What are three morphological adaptations?

Morphological adaptations include the rewiring of developmental programs for physical separation of male and female flowers on the same plant or in different plants, temporal separation by differential maturation of male and female flowers or organs, or remolding of flower structure (Barrett, 2002).

What is adaptation give the 3 types of adaptation?

Behavioural - responses made by an organism that help it to survive/reproduce. Physiological - a body process that helps an organism to survive/reproduce. Structural - a feature of an organism's body that helps it to survive/reproduce.

Why the morphological characteristics are important in evolution?

This distinction is important as it grounds our hypotheses in the constraints and opportunities afforded by the physical world. It also allows us to investigate how changes in morphology and control might differentially affect the direction or rate of evolutionary search.

What are the examples of morphology?

In English there are numerous examples, such as “replacement,” which is composed of re-, “place,” and -ment, and “walked,” from the elements “walk” and -ed. Many American Indian languages have a highly complex morphology; other languages, such as Vietnamese or Chinese, have very little or none.

What do you think are the main factors that causes morphological differences in plants?

Morphological variation

This variation is most easily seen in the leaves of a plant, though other organs such as stems and flowers may show similar variation. There are three primary causes of this variation: positional effects, environmental effects, and juvenility.

Is it a good idea to identify species using only the morphological features?

Any body who is bar coding a species without identification using morphological characters should be care full, one may land up in wrong identification. Unfortunately all tools can be misused, but morphology is under selection and can be misleading with regards to speciation, especially in the presence of crypsis.

How does morphology provide evidence of evolution?

Comparative morphology also provides support for the theory of evolution. ... Since these structures are so similar, they indicate an evolutionary relationship and a common ancestor of the species that possess them. A clear example of homologous structures is the forelimb of mammals.

Is a horseshoe crab a trilobite?

Trilobites Trilobites were ancient arthropods. They appeared in the Cambrian era, 540-million years ago. The nearest thing to a trilobite today is the horseshoe crab with a very similar exoskeleton. Trilobites lasted over 300-million years and finally died out not long before dinosaurs arose.

Are triops related to trilobites?

Triops are distant relatives of trilobites. Triops means three-eyes while the name trilobite means three lobed or three segments.

Are trilobites crustaceans?

Trilobites as arthropods

Their main subgroups are the crustaceans (like prawns and crabs), the chelicerates (including spiders, scorpions, and mites), and the wholly terrestrial groups Insecta and Myriapoda (the latter including millipedes and centipedes).