Answer:
- <u>Option:(1)-</u>The <u>Genetic drift </u>theory is an evolutionary concept that suggests that behaviors that help an organism survive are passed on while weak behaviors are lost.
Explanation:
According to this theory, an organisms faces different levels or kinds of environmental factors, which either suppresses or increases the level of a certain allele frequency inside an organisms genetic sequence, which then results in the change in behavior of that organism. And through many generations the changes in behavior may pass on from one to another, as the changes does not occur in a single generation.But, the alleles frequency are suppressed and increased with time, when they face different environmental factors or situations.
The answer would probably be be D
Answer:
A convection current is basically where heat rises and cold sinks
Explanation:
When heat is added to something, it expands and rises. This leaves a lower pressure region behind and the surrounding cold rushes in. The cold then is heated and finally the head rises to the top. Then it is cooled. Then repeat :)