Hi! The answer would be B. pollution from a factory entering a river because humans built the factory so that it would drain into the river, therefore it is unnatural.
Smut are plant disease caused by
several species of fungi that affects plants such as, corn, wheat, and sorghum.
Smut is characterized by fungal spores which are infectious and can affect
different parts of the plant at the same time. The fungi attacks grain crops by
forming thick, fleshy, gall on the ear, tassel, stalk and leaves of the plant. Smut
are destructive to grain crops, with negative economic effects to the farmer.
The key feature is cell wall. Only plants contain cells with cell wall. The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure. The plant cell wall consists of three layers with each layer containing its own unique structure and function.
Offsprings, natural selection, a measure of reproductive success.
Explanation:
Pattern of life history in individual or population evolve by Natural selection, Life history pattern optimizes the trade offs as energy spend in raising the offspring.
The energy resources in the earth is limited and organisms had to fight for the resources for growth, multiplication and survival.
The offspring with the traits will use the effective way to use the resources than with the siblings who lack the trait,
The reproductive success is ultimately a measure of natural selection.
Answer: m=dv =(.58/cm3)(800cm3)= 400g of pine
Explanation: All you have to do is multiply 0.5g/cm by 800cm of pine.
