Factors That Influence Plant and Animal Growth explain the factors that influence plant and animal growth by describing soil, water, nutrients, and light.

Plants have developed responses called tropisms. A tropism is a growth in response to a stimulus; so light and water in the plant’s case. There are different types of tropisms: Positive tropisms are when growth is towards the stimulus -...

Plants have a range of physical and chemical barriers to prevent infection, but they can become infected with bacterial, viral, fungal pathogens or insect pests. If this happens the plant can produce chemicals in an attempt to limit the...

Dr. Forrester teaches about the different types of soils.

The video “Variations in Plant Traits” explains how the natural environment causes variations in plant traits.

Dr. Forrester explains what a plant needs to grow: water, light, air, and minerals.

“Plant Parts” discusses the functions of a plant’s main parts.

Dr. Algae introduces the parts of a plant and explains the importance of each one.

This video explains the science behind the pleasant fragrance we experience after the first rain, known as petrichor. It explores the role of plant oils and bacteria in the soil that contribute to this unique scent.

Soil is a vital natural resource that supports life on Earth. It is a mixture of minerals, organic matter, gases, liquids, and organisms. Soil plays a crucial role in providing nutrients and moisture for plant growth, purifying water,...

Where do plants get their food from? Remember they are autotrophic, plants make their own food through the process of photosynthesis. In order to make all of the macromolecules, the plant needs to obtain some other elements from the...