I think they contain covalent bonds, between the carbon atoms and also between the carbon atoms and hydrogen atoms. Polymers consist of chain-like molecules that are in turn, made up of numerous smaller, repeating units called monomers.
Answer:
Mammalian dentition is characterized by heterodonty, in which both the upper and lower teeth are differentiated morphologically into four types: flat, chisel-shaped incisors, conical canines, bicuspid premolars and multicuspid molars in the mesiodistal direction.
Explanation:.
- <u>The mesiodistal crown:</u>dimension is the smallest of any maxillary teeth.The mesiodistal measurement of the pulp chamber is wider compared to the labiopalatal one. The periphery of the socket often dips down palatally, labially, mesially and distally to accommodate the shape of the root.
- <u>Maxillary central incisor:</u>The general shape is similar to maxillary central incisor except that they are shorter and narrower. It has the most cervically located contact area of any incisor. The mesioincisal and distoincisal angles are more rounded than the corresponding angles of maxillary central incisor.
- <u>Permanent mandibular central incisor:</u>The crown dimensions are the smallest of any tooth, it has bilaterally symmetrical crown, and the line angles are the sharpest of any tooth.It shows the shallowest labial developmental grooves, smoothest lingual surface contour and the least developed cingulum.
Various cicada species erupt to reproduce at various times. A prime example of temporal isolation is this. The frog species Rana aurora and Rana boylii exhibit temporal isolation as a result of variations in seasonal breeding. Although both species live in the same geographic areas, their mating seasons are different.
<h3>What is temporal isolation ?</h3>
When many species reproduce at various periods, there is a condition known as temporal isolation. Three different orchid species, for instance, coexist in the same rain forest. Every species contains flowers that only bloom for a single day and need to be pollinated on that day in order to generate seeds.
- Due to differences in fertility or mating timing, such as having various mating seasons, species cannot interbreed due to temporal isolation. Due to different mating practises or rituals, behavioural isolation prevents species from interbreeding.
Learn more about Temporal isolation here:
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Environmental science addresses recycling strategy so we utilize our natural resources efficiently. It also provides us with knowledge on how to lead an eco-friendly lifestyle
The category is just called plants
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