Answer:
The correct option is a. refers to differences between the sexes with regard to features such as body size
Explanation:
Sexual dimorphism refers to a specific condition in animals and plants, which includes difference in the secondary characteristics of the male and female sexes of the same species. Sexual dimorphism is seen in many animals and some plant species. The difference in the secondary characteristics includes size, color, behavior, etc.
Cracks in a rock is considered is chemical weathering.
Answer: Option A) Clade
Explanation:
A clade refers to a group of animals or other organisms that have evolved from a common ancestor species. It could have taken several millions of years since the first ancestor lived.
Examples of clade include
- all the birds descended from a common ancestor specie
- all apes descended from a common ancestor specie.
Also, a clade is best identified using a phylogenetic tree.
Answer:
a system of winds rotating inward to an area of low atmospheric pressure, with a counterclockwise (northern hemisphere) or clockwise (southern hemisphere) circulation; a depression.