Concerning the balance of pollutants in the biosphere:
1 answer:
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Answer:
Explanation:
Given:
Traits
T (tall, dominant) and t (short)
R (round, dominant) and r (wrinkle)
Crossing parents
<u>hetero-zygous. tall wrinkled (</u><u>Ttrr</u><u>)</u>
phenotype tall is given hetero-zygous., so Tt
phenotype wrinkled is recessive, so must be homo-zygous rr
<u>Foiled genotypes</u> (Tr, tr, each with 50%)
<u>short hetero-zygous. round (</u><u>ttRr</u><u>)</u>
phenotype short is recessive, so homo-zygous rr
phenotype round is given heteroz. so Rr
<u>Foiled genotypes</u> (tR, tr, each with 50%)
Offsprings on a 4x4 punnett square
See diagram
If the web happened to look like this one I attached then the anwser would be shrubs. If you take a look at the arrows the shrubs energy is moving to rats, insects and lizards which in turn feeds the coyotes. The starting point is shrubs and in general most food webs start with plants.
