Answer:
Through natural selection, organisms carrying better traits to survive in an ecosystem are able to survive and pass on their characteristics to their offspring. Through evolution, the allelic frequency of the population changes in abundance of the traits which are favoured by natural selection. As the male pom-pom monkeys carrying long bright puffs of turquoise fur all around his neck had a better adaptation to survive on the island hence, they were favoured by natural selection and through evolution all long bright puffs of turquoise fur all around his neck evolved.
Answer:
All animals alike as heterotrophs beacuse animals cannot prepare their own food.
Explanation:
Heterotrophs may be defined as the organisms that will depend upon plants or other animals for their food. They are unable to synthesize their own food.
All animals are heterotrophs as they depends on the other organisms for the production of food. All animals are also referred as consumers.
Answer:
Koch's postulates say that microbes are present in the case of every disease and these disease-causing microbes can be isolated to grow in pure culture. He also said that this pure culture if transferred in healthy individual it will cause disease.
Chytrids contain many parasite fungus that infects amphibians and by using Koch postulate we can show that chytrid infections are responsible for the frog deaths.
First, we have to take the sample from dead diseased amphibian then this sample should be inoculated in a selective media which supports the growth of chytrid fungus and not bacteria.
Then this pure culture of fungus is transferred in a healthy amphibian. The death from chytrid infection of healthy amphibian will show that chytrid infections are responsible for the frog deaths.
Answer:
a. Highly cohesive group of 2 to 12 peers
Explanation:
Adolescent cliques -
It is the cliques which occurs during the age of adolescents .
Clique is refers to the describe the age group from 2 to 12 years . As the children who interact with each other more regularly and intensely .
Hence , the correct option about adolescent "clique" is that , they are the highly cohesive group of peers with age group of 2 to 12 years .
Thornscrub ecosystem is different from a desert due to more rainfall.
<h2>What are Thornscrub ecosystem?</h2>
<h3>
Thornscrub ecosystem</h3>
Thornscrub ecosystem is different from a desert because thornscrub ecosystem has more rainfall than desert ecosystem. This Thornscrub ecosystem is located on a higher elevation than desert ecosystem
<h3>Desert ecosystem.</h3>
While on the other hand, the desert ecosystem receives less rainfall per year. Thornscrub is a biome present between desert and tropical forest so we can conclude that thornscrub ecosystem is different from a desert due to more rainfall.
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