Answer:
There were 1.2 billion persons in the year 1850
Explanation:
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Answer:
D.dragonfly larvae
Explanation:
For example ;
This is a simple food chain;
algae ⇒ mosquito larvae ⇒dragon fly larvae ⇒perch
Algae are the producers in the food chain above.
Mosquito larvae are the primary consumer in the above food chain.
Dragonfly larvae is the secondary consumer in the food chain which feed on the primary consumer.
The final level is perch, which is a carnivore .
Answer:
fast, intensive reproductive investment
Explanation:
Answer:
The proportion of a genotype (i.e., AB) in a population.
Explanation:
- Every trait is controlled by some alleles and their combinations. Allele frequency determines the frequency of occurrence of a particular allele in a population.
- It can be determined by genotype frequency or proportion of a particular genotype in a population. As a genotype is a result of various alleles coming together, its frequency can help us to calculate the allele frequency.
- For example, in a population with two alleles A and B, A allele can either occur as AA or as AB. To calculate the frequency of A we will have to calculate the genotype frequencies of AA and AB.
