Living Earth Semester 1 Final Practice

Front

What type of growth is characterized by a rapid increase in population size, often seen in the human population from 10,000 BCE to 2019?

Back

Exponential growth.

Front

When a consumer eats food, what percentage of the food energy is typically retained in its body?

Back

10%.

Front

In a clinical trial, what outcome is necessary to conclude that a vaccine is effective?

Back

More people in the control group get infected than in the experimental group.

Front

What process do plants perform in the dark, where they consume oxygen and release carbon dioxide?

Back

Respiration.

Front

Which organelles are present in both plant and animal cells?

Back

Mitochondria and cell membrane.

Front

What is the term for the maximum population size that an environment can sustain?

Back

Carrying capacity.

Front

What is the process by which plants convert sunlight into chemical energy?

Back

Photosynthesis.

Front

What is the primary function of mitochondria in cells?

Back

To produce energy (ATP) through cellular respiration.

Front

What is the difference between a placebo and an experimental treatment in clinical trials?

Back

A placebo is a treatment with no active ingredients, while the experimental treatment contains the active substance being tested.

Front

What is logistic growth?

Back

A population growth model that starts exponentially but slows as the population reaches carrying capacity.