How do daily human activities affect the ecosystem? . . a. they release poisonous chemicals in the environment, leading to disruption of food chains.. . b.. they lead to the vanishing of forests, causing mass extinction of species.. . c. they lead to drought conditions, causing acute water scarcity..

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other