The correct answer is fixed migration pattern.
Extinction means termination of last member of a particular species. This can be due to various factors. The reason could be natural or human interventions. The best characteristics of an organism to be less likely to face extinction are the fixed migration pattern. Migration of that particular species in a fixed pattern will make them adapt different environment. This saves the species from natural extinction. Even if the species of a particular geographical area dies the migrated species will be alive to breed and save the species from extinction.
The answer is b, decrease the oxygen gas pressure
The non- living things that marine biologist study is everything from algae to the largest whale.Basically anything in the ocean, living or not they will still study them.
Answer:
Nonliving aspects of an ecosystem are known as (Abiotic)
Population- number of people or animals in a particular place.
Examples:
•events
•over 8M people living in NYC
•businesses