Long term goals are goals which are set to be achieved over a long period of time such as paying off the mortgage on a house.
<h3>What are long term goals?</h3>
Long-term goals are goals which are set to be achieved over a long period of time.
Long term goals require planning and dedication in order to achieve them.
Some examples of long term goals include:
- replacing fossils fuels with renewable energy sources
- studying to become a neurosurgeon
- paying off the mortgage on a house
Therefore, long term goals are goals which are set to be achieved over a long period of time.
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Answer:
Preadaptations like tegument and body segmentation could have been used by insects and millipedes to survive in terrestrial habitats.
Explanation:
As crustaceans, millipedes and insects have a protective, hard tegument, which surface is frequently smooth. Some groups can also present spines, bristles, or tubercles. The tegument protects the animals against harmful stimuli of different nature, such as mechanic, thermal, chemical, etc. It is also an effective barrier against pathogen microorganisms and excessive dehydration. In groups like crustaceans and insects, as the external layer gets hard, the tegument constitutes an important support organ. It is composed of a simple, cubic epithelium called hypodermis, and secretes exoskeleton, which is composed of chitin and can also be shaped by calcareous impregnations. Chitin is an impermeable, light y hard substance, that allows life on land without dehydration. Segmentation (repetition of identical anatomical units) is another characteristic in these groups that have helped to domain terrestrial habitats. It seems like segmentation is highly advantageous from an evolution point of view because it is much easier to adapt each segment separately to environmental pressures, responding to different necessities, than adapting the whole body to it, developing a new organ for each necessity. Also, it is a strategy to defend themselves from predators by rolling up.
<span>Vertebrates and invertebrates</span>
Its less energy and longer wavelengths