Answer:
Primary succession
Explanation:
The process by which new land formed by volcanic activity in Hawaii becomes inhabited by organisms over time is called ecological succession.
In Hawaii, the formation of new land through volcanic eruptions, particularly from the Kīlauea volcano, creates a barren landscape devoid of living organisms. The initial colonization of this freshly formed land by the first living organisms is a process known as ecological succession. This process unfolds over time as a series of changes, where pioneer species, often hardy and adaptable, are the first to establish a foothold on the barren surface.
These pioneer species gradually alter the environment, making it more suitable for other, often more complex, organisms to follow. As succession progresses, a variety of plant and animal species populate the area, leading to the development of a diverse and stable ecosystem.
The entire process of ecological succession, from the colonization of pioneer species to the establishment of a mature and stable community, reflects the dynamic interactions between living organisms and their environment, showcasing the resilience and adaptability of life in the face of changing landscapes.
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Ans. Antibiotic resistant bacteria.
If someone fails to complete the course of antibiotics for an infection, some of infection causing bacteria may survive (having a greater resistance for those antibiotics). It will lead to bacterial population in afflicted patient, with a higher resistance than normal ones.
When these resistant bacteria reproduce, infection caused by their progeny would not be treatable with same old antibiotics.
Answer:
the evolutionary history of a species or groups of species
form by utilizing systematics
Explanation:
c. egg cell and sperm cell
b. egg cell only
d. body cell and egg cell
Answer:
it was a cloned sheep
Explanation:
B. Knowledge and valuable resources are shared among scientists.
C. An experiment is repeated several times to verify the results.
D. Multiple forms of evidence are used to support a conclusion.
the right answer is b
Answer:
A scientific theory refers to the possible explanation of the natural event. It can be tested repeatedly and can be verified by anyone with the help of predefined sets of protocols and scientific experimentation.
Similarly, Darwin proposed the idea of natural selection as the mechanism of evolution.
Various experiments in labs, as well as observations made under natural conditions, proved that natural selection plays a major role in the evolution.
Examples may include industrial melanism of peppered moths, long neck of Giraffe, different shapes and sizes of beaks of Darwin finches et cetera.
This is why natural selection is considered a theory now.
Answer:
It is a fact and not a theory
Explanation:
A scientific theory is some natural phenomenon that has been tried and tested several times and backed by logical and testable observations and hypotheses in a way that in future anyone can test it. It is not a guess or hunch but a concept explained with logic and backed by solid unvarying proofs.
In case of biological evolution, observations have been made and tested several times so that no more further testing or trying is required. Hence, by this logic evolution can be considered as a fact but it can not be considered as a theory.