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Nutka1998 [239]
3 years ago
13

Compare and contrast the three types of muscle tissue. Be sure to include their structures, their functions, and an example of e

ach.
Biology
1 answer:
timurjin [86]3 years ago
4 0
Skeletal muscles 
Structure; they are long cylindrical fiber, striated, many peripherally located nuclei.
Functions; Voluntary movement, produces heat, protects organs.
Examples; the biceps, slow twitch fibers, fast glycolytic fibers.

Cardiac muscles

Structure; they are short, branched, striated, single central nucleus
Functions; Contracts to pump blood, they are found in the heart
Examples; Heart muscles 

Smooth muscles

Structure; They are short, spindle shaped, no evident of striation, single nucleus in each fiber
Function; Involuntary movement, moves food, involuntary control of respiration, moves secretions, regulates the flow of blood in arteries by contraction. 
Example; Muscles found in the walls of hollow organs like the intestines, stomach and the blood vessels. 
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Determine whether each phrase describes a community, ecosystem, habitat, or population.
Yuri [45]

Answer:

A herd of bison - population

Frogs, insects, and birds living near a pond - community

The plants, animals, water, and soil of a forest - ecosystem

The kelp forest where sea otters live - habitat

All the hummingbirds that live in your state - population

Fish, eels, and lobsters living in a coral reef - community

A dying tree with holes that animals live in - habitat

Wetland plants, animals, and marshes - ecosystem

Explanation:

In ecology, the interaction of organisms are classified into categories including population, community, ecosystem etc.

A population in ecology consists of all the members of a particular species that inhabits a particular location. Based on the wide range of examples given in the question, a herd of bison and all the hummingbirds living in my state are examples of a population because they consists of organims of same species (bison and hummingbirds) living in a particular habitat.

A community, as opposed to population consists of organims of different species that share the same location as habitat. According to the question, Frogs, insects, and birds living near a pond and Fish, eels, and lobsters living in a coral reef are examples that represents a community because they contain organims of different species found living in a common habitat.

An ecosystem is the interaction between the biotic components (living) of a community with one another and also with the abiotic components (non-living). Based on the question, The plants, animals, water, and soil of a forest and Wetland plants, animals, and marshes represents an example of ecosystem because they contain living and non-living components interacting together. The living components in the first and second examples are plants, animals while abiotic components are water, soil and marsh.

Habitat refers to the physical location where the population or community of organisms lives. In this question, the kelp forest where sea otters live and a dying tree with holes that animals live in describes habitats of organisms.

5 0
3 years ago
Transcribe and translate dna
Mariana [72]

Answer:

The human genome contains around 30 000 genes, each of which codes for one protein. Large stretches of DNA in the human genome are transcribed but do not code for proteins. ... The process by which DNA is copied to RNA is called transcription, and that by which RNA is used to produce proteins is called translation.

Explanation:

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3 years ago
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when a story is told from the ___ point of view the narrator has full knowledge of only one character at a time
kondaur [170]
It could be third person omniscient
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AJ-shaped curve is called a(n)
s344n2d4d5 [400]

Answer:

<em>The correct option is b)  exponential growth curve</em>

Explanation:

A J-shaped curve can be described as a curve on a graph which represents the phase of exponential growth. During this phase, the population of a certain organism expands rapidly in an exponential manner unless it is stopped due to some factor such as environmental resistance. A J-shaped curve will usually be seen in a new environment when the number of resources is more in the environment to support the growth of the population.

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Directions: Use the terms from the word bank to order the levels of organization from smallest to largest. Then write a definiti
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