Answer:
D
Explanation:
answers A-C are choices that explain a substances physical change NOT chemical. Decomposition is where the chemical structure of a compound will breakdown to smaller molecules.
Phenotype is the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. Genotype is the genetic constitution of an individual organism. Allele is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Answer:
d. Populations have the potential to grow to very large numbers
Explanation:
Natural selection and artificial selection both cause changes in animals and plants. However, the natural selection happens naturally, but selective breeding (artificial selection) only occurs by humans interventions. Natural selection has four components:
- Variation.
- Inheritance.
- High rate of population growth. In artificial selection, selection itself diminishes the probability of adaptation. But in natural selection populations have more offspring and have more chance to alive in struggling for local resources.
- Differential survival and reproduction.
Answer:
Cyanobacteria
Explanation:
Cyanobacteria contributes to the origin of plants.
Scientists speculate that prokaryote engulfed a photosynthetic cyanobacterium that evolved into modern-day chloroplasts.
