ALife in air
BTerrestrial organisms
CExodermis
DLife on other planets
Answer:
D. Life on other planets
Read Explanation:
Exobiology, also known as astrobiology, is the study of life in the universe, including its origin, evolution, distribution, and future.
It includes the following topics:
Origin of life: It studies how life arose on Earth and what the possibilities are for life to exist in other parts of the universe.
Evolution of life: It studies how life evolved and how life is likely to form and develop under different conditions.
Distribution of life: Where in the universe is life likely to be found? It includes efforts to detect the presence of life on other planets and moons.
Habitable conditions: What conditions are necessary for life to exist? It examines things like water, temperature, and the availability of chemicals.
Search for extraterrestrial life: Exobiology is the study of research and space missions to find signs of life (biosignatures) on other planets or in space.