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Structures that share a common ancestry or are similar because they are modified versions of structures from a common ancestor are?
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∙ 13y ago
Homologous
Wiki User
∙ 13y ago
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Structures that share a common ancestory or a similar because they are modified versions of structures from a common ancestor are?
Homologous structures.
Does passion flower have tendrils?
Yes, they do. The tendrils are slender, coiling, with modified stem structures.
Does passion flower plant has stem tendril?
Yes they do , The tendrils are slender , coiling , with modified stem structures
How do spines which are modified leaves of cacti become adaptive structures?
they prevent too much loss of water
Why are leaves perfect for photosynthesis?
They are modified structures. They have concentrated chloroplasts. Also have high surface area to get light.
Does hopi ear candling stimulate wax production?
As vertebrates evolved, the same bones were sometimes put to different uses. Yet the bones are still seen, their presence betraying their evolutionary past. For example, the forelimbs of vertebrates are all homologous structures, that is, structures with different appearances and functions that all derived from the same body part in a common ancestor. You can see in figure 22.15 how the bones of the forelimb have been modified in different ways for different verterbates. Why should these very different structures be composed of the same bones? If evolution had not occurred, this would indeed be a riddle. But when we consider that all of these animals are descended from a common ancestor, it is easy to understand that natural selection has modified the same initial starting blocks to serve very different purposes.
Structures that cover immature flowers?
The structures that cover and protect the buds of a flower are known as sepals. These are essentially leaves that have been modified.
What are the seven structures or physiological patterns that make the arthropods so successful?
Hardened Exoskeleton Jointed Appendages Modified Segments Respiratory Structures Sensory Specialization Specialized Stages of Development Large in abundance and diversity
Are sweat glands made of modified epithelial tissue?
Yes, sweat glands are made of modified epithelial tissue. They are formed by invaginations of the epidermis (outer layer of the skin) and consist of coiled tubular structures. These tubular structures are lined with specialized sweat gland epithelial cells that secrete sweat.
Are the shell of a turtle and that of snail homologous or analogous?
Analogous, Turtles and snails have no common ancestor and so they evolved independently of one another from different methods/structures. The Snails shell is secreted by specialised glands in the mantle whereas the turtle shell is modified skin
What is modified roots?
Modified roots are roots which change their structures to carry out vital functions such as photosynthesis, gather oxygen, store food or water, or support the stem.BIBLIOGRAPHY FROM URL:http://www.tutorvista.com/biology/modified-rootsHoped I helped!
What effect does heating and cooling have on metallic structures (more specifically grain size)?
The dimensions grains in metals are modified by heating or cooling.
