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Fed [463]
3 years ago
14

How does mass play a role in the life cycle of a star? Use atleast 3 specific examples from the stages in the life cycle of a st

ar.
Biology
2 answers:
barxatty [35]3 years ago
7 0
The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born. ... It is now a main sequence star and will remain in this stage, shining for millions to billions of years to come.
riadik2000 [5.3K]3 years ago
4 0

Answer:

Explanation:

Stars about the size of our sun go through the same first four stages as does any other star. 1. They begin their lives as a nebula, 2. then become a Protostar, 3. eventually becoming a main sequence star 4. and finally a red giant. 5. but the more mass a star has the shorter its life.

hope this helped if it did I'm trying to rank up so brainliest is much appreciated. if I did get it wrong please tell me.

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what cellular mechanisms allow human body cells to maintain these concentrations ?
sweet [91]
Answer:


Active transport: movement against a gradient To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the proper concentrations of ions and molecules in living cells.
4 0
3 years ago
Organisms that live in the _________ must be adapted to little or no rain and to extreme temperatures.
umka21 [38]

Answer: DESERT

Explanation:

Adaptation can be defined as the modification in the form, structure, function and behaviour of organisms in a habitat which enables them to live successfully and reproduce.

Desert is one of the types of the world biomes that is characterized with little or no rain and to extreme temperatures. Organisms, which includes plants and animals, must show some level of adaptation to able to survive the harsh environment.

The type of PLANTS which can survive in desert environment are called the XEROPHYTES. They show the following adaptations:

--> The roots are well developed: they grow down to great depths and branch extensively in order to absorb water

--> they possess swollen stems which contains water storage cells.

--> they have reduced leaves, for example in cacti in the form of spines, which helps to reduce water loss through transpiration.

The type of animal that survive in desert environment spend the hot dry seasons in a sleep-like torpid state called aestivation. This is so in order to avoid the heat. Their body size is usually small and less bulky: greater surface area in relation to body volume, thus enhancing heat loss from the body.

Organisms that live in the _________ must be adapted to little or no rain and to extreme temperatures.

7 0
3 years ago
Read 2 more answers
Science Question 3, Thanks if u help!
noname [10]

Answer:

The correct statement is option C. Mitosis produces cells which are identical to parent cell, while meiosis produces cells that carry half of the genetic material of the parent cell.

Explanation:

Mitosis is a type of cell division in which a single cell is divided into two body parts. This cell division is present in body cells. The cells which are formed are identical to parents while meiosis cells are different from one another. In meiosis, the number of chromosome is half of the parent cell.

4 0
2 years ago
Suppose that a person eats a diet of 2397 calories per day.
timama [110]
So what's the question here?<span />
3 0
2 years ago
Which descriptions accurately apply to vascular plants? Check all that apply.
atroni [7]

Answer: have true roots, stems, and leaves

may have seeds

may not have seeds

have vascular tissue

Explanation:

some vascular plants have seeds and some do not.

they have vascular tissue such as xylem and phloem

they have true roots, stems, and leaves

6 0
2 years ago
Read 2 more answers
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