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Aloiza [94]
4 years ago
11

An adaptation is _____. An adaptation is _____. the cause of natural selection a trait that gives an organism a reproductive adv

antage in the current environment a trait that gives rise to a new species an individual's attempt to conform to its environment all of the above
Biology
1 answer:
trasher [3.6K]4 years ago
7 0

Answer:

a trait that gives an organism a reproductive advantage in the current environment

Explanation:

An adaptation is a trait that provides an advantage to the individual in which it is present by making the individual more adaptable to its environment and as the result, the individual survive to reproductive age and able to produce more offspring than less adapted individual of its population.

So the trait gives an individual or organism a reproductive advantage in the current environmental situation. The trait or allele that helps in adaptation comes due to mutation or variation from meiosis or gamete fusion.

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air pressure can be measured I Barometer

humidity is hygrometer

6 0
3 years ago
How is the trachea adapted to reduce the entry of live pathogens?
Andre45 [30]

The trachea has an epidermis layer that acts as a barrier and protects organs from things such as : dust, mucus and also pathogens  Hope that helps :)

8 0
3 years ago
Slime moulds (Acrasiomycota) are protoctists. They feed on decaying organic matter, bacteria and protozoa.
pantera1 [17]
<span>C. I and III only is the answer hope  i helped</span>
5 0
3 years ago
Explain how specific membrane-bound organelles of the keratinocytes are used to produce, transport, and modify aquaporin polypep
bonufazy [111]

Answer:

Epidermis.

It is composed of keratinized, stratified squamous epithelium and is made up of 4 layers of epithelial cells depending on its location in the body. From deeper to superficial these layers are stratum Basale, stratum spinosum, stratum granulosum, and stratum corneum. The cells in all the layers except for stratum besele are called keratinocytes which is a cell that manufactures and stores the protein keratin.

Stratum Basale.

It is a cuboid-shaped stem cell that is a precursor of the keratinocytes of the epidermis. Two other cell types found in this basal cell are Merkel cells which function as a receptor and are responsible for stimulating sensory nerves that the brain perceives as touch. The second is melanocyte that produces melanin pigment which gives the skin its color.

Stratum spinosum.

It is spiny in appearance due to the protruding cell processes that join the cells via a structure called desmosome. The desmosome cell interlock with each other to strengthen the bond between the cell. Keratinocytes in the stratum spinosum stats synthesizing keratin and release water-repelling glycolipid that helps to prevent water losses from the body.

Stratum granulosum.

They are grainy in appearance due to further change in keratinocytes as they are pushes from the stratum spinosum. The cells become flat as their membrane thickens to allow the production of protein keratin which accolades as lamellar granules within the cells.

Stratum Lucidum.

It is a smooth and translucent layer of the epidermis situated above the stratum granulosum. Keratinocytes containing these cells are dead and flat. Stratum lucidum cells are packs with eleiden derived from keratohyalin which give these cells their transparency and provide a barrier to water.

Stratum corneum.

This is the most superficial layer in the epidermis and it prevents penetration of microbes and dehydration of underlying tissues.

Dermis.-This is the inner layer of the skin and has the following functions.

Reticular layer

Just below the papillary layer, we have a much thicker layer called the reticular layer composing of dense connective tissue. It contains elastin fibers providing elasticity to the skin enabling movement.

Hypodermis

Explanation:

3 0
3 years ago
The piece of metal is magnetic and is lustrous. Is this statement an example of physical or chemical properties being describe a
Ad libitum [116K]

Answer:

The correct answers are options C, that is, silver tarnishes and becomes black when exposed to oxygen, and option E, that is, diesel fuel burns when it is heated.  

Explanation:

Chemical changes refer to the modifications in which the chemistry at molecular level is modified as the initial substance gets transformed into a new and different final substance. This change occurs with the dissociation of old bond and production of new bonds respectively.  

I hope this helps. :).

6 0
2 years ago
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