Microorganisms, such as bacteria and fungi, are primarily characterized by their ___ nature.

Unicellular nature, meaning they consist of a single cell.

True or False: Fungi are capable of photosynthesis.

False. Fungi do not photosynthesize; they absorb nutrients from organic materials.

Fill in the blank: Bacteria can reproduce quickly and are found in every ___ on Earth.

Environment

What distinguishes viruses from bacteria and fungi in terms of their structure?

Viruses are not cells but are tiny particles that must enter living cells to replicate.

Riddle: I am tiny and can infect all types of life, but I am not alive. What am I?

A virus

Short Answer: Name a beneficial role of bacteria in ecosystems.

Bacteria are involved in processes like digestion and fermentation.

Fungi reproduce through ___, which can travel through the air.

Spores

Fill in the blank: Some fungi are beneficial and used in cooking, while others can produce ___ and are hazardous.

Toxins

Who first observed microorganisms and in what year?

Antonie van Leeuwenhoek first observed microorganisms in 1674.

Louis Pasteur's experiments demonstrated that microorganisms in the air are responsible for ___ in food.

Spoiling

What are decomposers, and what role do they play in the ecosystem?

Decomposers like bacteria and fungi break down materials and recycle nutrients from dead matter back into the soil.

True or False: A food chain only consists of producers and herbivores.

False. A food chain also includes carnivores and omnivores.

Fill in the blank: In a food web, different food chains ___ in a habitat.

Interact

What is the primary function of the scientific method?

The scientific method involves asking questions, formulating hypotheses, and conducting experiments to test these hypotheses.

Riddle: I am the scientist who showed that clear soup can spoil due to tiny creatures in the air. Who am I?

Louis Pasteur