Answer:
In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.
Explanation:
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Answer:
0.25 m/ hour
Explanation:
A rate of movement is essentially a speed measurement, where you divide the distance crossed from point A to point B by the time it took to do it.
So, we know the snail moved a total distance of 0.5 meters... that's our distance crossed.
We know that took 2 hours... so we just have to calculate that:
0.5 meters / 2 hours = 0.25 m/hour
The water is a constant because you would have to water it everyday. Sunlight is another one and the soil
A mistake in DNA replication before meiosis produces an organism that is better able to outrun predators.
Explanation:
The genetic variation results from the different alleles of a population. The mutation or mistake in DNA replication would cause gene variants which may be beneficial. The variation in the DNA sequence of genome results in variants in small population.
Genetic variation is the cause of natural selection and eventually, evolution takes place with beneficial traits.
It is mentioned in the question that resulting offspring having received the mutant allele could result in better surviving capabilities or phenotypic traits as they are able to outrun predators.
