Answer:
c. limiting factor.
Explanation:
The limiting factors are environmental or ecological factors that act directly on the living beings of a population, limiting their size, since these factors determine their birth, mortality, migrations, etc. They are the ones that regulate the growth and expansion of a species.
If environmental factors are optimal for the development of a living being, they favor the growth of that organism in that biotope. But if any of these factors prevents the growth of a species, there is talk of a limiting factor.
Among these physical and chemical factors that determine the biotope include:
- Abiotic factors (do not depend on population density):
Climate:
Light. Only the most superficial organisms access it in water. On land, there is also competition in leafy areas to access it.
Temperature. Some living beings cannot live at the temperature that others live.
Water: It is necessary that it rains or that living beings can access water in order to live. If there is no water, they die.
Atmospheric pressure.
Non-climatic:
Soil factors: The chemical composition of the soil, its pH, salinity, etc. It makes some plant species may or may not survive in it.
Factors of the aquatic environment: The concentration of O2, dissolved CO2, the degree of salinity, the existence of currents, etc., limits the development of some organisms.
- Biotic factors (depend on population density):
Food. If they do not have enough food, the population will have to be smaller.
Interspecific relationships. The number of predators limits the number of prey, and vice versa.
Intraspecific relationships. The relationships established between individuals of the same species can also limit their existence.
Answer:its c
Explanation: on edg
gene Right-arrow chromosome Right-arrow DNA Right-arrow nucleus
DNA Right-arrow gene Right-arrow chromosome Right-arrow nucleus
DNA Right-arrow chromosome Right-arrow gene Right-arrow nucleus
Listing the structures in order from smallest to largest follows this sequence ( A ) ; Gene right arrow DNA right arrow Chromosome right arrow Nucleus
Gene is the basic unit of heredity in animals, they are made up of DNA strands, while chromosomes ( thread like structures ) are positioned inside the Nucleus of ( plant and animal cells ).
Chromosomes are comprised of proteins and single molecule DNA that are passed from parents to its offspring.
Hence we can conclude that the flowchart that lists the structures in order from smallest to largest follows this sequence ( A ) ; Gene right arrow DNA right arrow Chromosome right arrow Nucleus.
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Answer:
gene Right-arrow DNA Right-arrow chromosome Right-arrow nucleus
Explanation:
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homeostasis
immunity
response to stimuli
reproduction
growth and development
The correct answers are -
b) Homeostasis
c) Immunity
e) reproduction
f) growth and development
Reason -
The endocrine system (produces and secretes hormones) is a vital system as it regulates the homeostasis by regulating the cell activity in the body. The endocrine system releases relevant hormones during specific time period in the blood which are then transported across the blood , this not only maintains the chemical physical balance in our body but also regulate the vital functions of body such as growth, reproduction, and immunity
B:cytoplasm
C:nucleus
D:vacuole
Answer:
Cell membrane.
Explanation:
The cell is the basic unit of the living organisms. The cell consists of the various cell organelles like nucleus, mitochondria and Golgi. The cell membrane covers the cell boundary.
The outer shell protects the egg and allows the exchange of moisture. The plasma membrane performs the similar functions ad allows the transport of some selected particles only.
Thus, the correct answer is option (A).