I think its either B. or D.
answer: proterozoic eon
Explanation: they found an abundant amount of fossils around 1.8 billion years ago, this would be called the proterozoic eon
Answer:
more biologically diverse communities appear to be more productive
Explanation:
Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms
Hope this helps!
(btw i got this from google)
Because the way our organs work some of them can be compared to a machine
Answer:
The tasting allele is dominant.
Explanation:
- The law of dominance states that the dominant allele will always express itself in homozygous or heterozygous conditions.
- While, the recessive allele Can express itself only in Homozygous recessive condition.
- The phenotypic ratio in case of monohybrid cross is 3:1 where i.e , about 3 out of every four offspring tends to express the dominant trait.
- According to the given statistics,80% of the population can taste PTC and 20 % cannot.
- Thus The tasting allele is a dominant allele.
