What Is the Population of the World in Billions as of April

question 31

Multiple Choice

What is the population of the world in billions as of April 2018?

• A)6)1
• B)7)6
• C)8)0
• D)9)6
• E)11.8

---

Definitions:

Bilateral Symmetry

Body plan having two corresponding or complementary halves.

Sessile Filter Feeders

Organisms that are fixed in one place and eat by straining suspended matter and food particles from water, typically through a filtering structure.

Cell Layers

Stratified structures formed by cells in multicellular organisms, contributing to the formation of tissues and organs.

Amoeboid Cells

Cells that move or feed by forming extensions of their cytoplasm, known as pseudopodia.