1. the answer is B
2. the answer is D
The correct answer is option A, that is, the number of yellow leaves.
An independent variable refers to the variable, which is monitored or modified in a scientific experiment to examine the influences on the dependent variable. A dependent variable refers to the variable being measured and examined in a scientific test. Hence, in the given case, the number of leaves getting yellow is a dependent variable.
Both the dependent and the independent variables may be observed in terms of the cause and effect.
Answer:
Natural selection is defined as what?
Natural selection entails the ability of an organism to adapt to an environment and such adaptive traits are passed from parents to offspring
Explanation:
The law of natural selection was propounded by Charles Darwin which entails the survival of an organism by adapting to an environment and such adaptive trait is passed to offspring
Answer:
Sheep carrying out respiration
Explanation:
Because the sheep is exhaling carbon dioxide into the air
Animal phyla are primarily defined according to B. Patterns of embryologic development and adult body plans.
