2022 ILSE

All living things are composed of

• Vitamins

• Blood

• Cells

• Organs

Which process is carried out by both a plant and animal?

• Eating food

• Growing in size

• Taking in CO2

• Making Oxygen

The guinea pigs in a certain population all have black fur. The sudden appearance of a guinea pig with white fur in this population may be the result of

• ozone depletion

• asexual reproduction

• gene mutation

• habitat destruction

When a person chews food, the teeth grind the food into smaller pieces. This is an example of

• mechanical digestion

• chemical change

• cellular respiration

• waste removal

What is the function of this system?

• breakdown of food

• production of sex cell

• removal of dissolved wastes

• coordination of body movement

As their environment slowly changes, organisms with certain traits are more likely to survive and produce offspring with those same traits. This statement describes

• cell division

• genetic engineering

• resource conservation

• natural selection

The significant differences between these four dogs were caused by humans. These differences are best explained by the process of

• biological adaptation

• selective breeding

• metamorphosis

• regulation

Studying the beak of each of these birds would best help a scientist understand

• how the birds fly

• where the birds live

• what the birds eat

• if the birds migrate

which process is represented by the diagram below?

• photosynthesis

• metamorphosis

• digestion

• succession

Which group of organisms may undergo an evolutionary change in the shortest period of time?

• birds

• bacteria

• humans

• flowering plants