Answer:
24.75 years
Explanation:
62.5 is 1/4 of 500, which means that in 99 years it passed through four half-lifes. So, you divide 99 by four and you get that the half-life is 24.75 years. 25 years if it was rounded
Evaporation (from the lake to the air)
condensation (gathering in the air into a cloud)
precipitation (from the cloud back to the earth)
Parentals - TT x tt.
F1 generation :
- Genotypes = All Tt (Because all inherit 'T' from parent 1 and 't' from parent 2).
- Phenotypes = All Tall (Because the Tall trait is completely dominant to dwarf.
In ecology, the competitive exclusion principle, sometimes referred to as Gause's law of competitive exclusion or just Gause's law, is a proposition that states that two species competing for the same resource cannot coexist at constant population values, if other ecological factors remain constant.
