Passive is when materials travel or move across some cell membranes that doesn't use cell energy.
Active is the meaning of a movement that crosses across some cell membranes that requires the use of cell energy.
Answer: The answer is that passive doesn't use cell energy but active uses cell energy.
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It is important because we need to learn the environment, what is around us.
The importance of conservation of habitats is that habitat conservation protects biodiversity in the region.
<h3>Conservation of habitats</h3>
Habitat can be defined as an environment that is made up of resources that are used by a particular organism.
There are different types of habitat which include:
These habitats needs to be conserved to maintain biodiversity which is an essential part of global food security.
Learn more about biodiversity here:
brainly.com/question/11542363
Answer is b. Thiamine
Vitamins are essential nutrients which are crucial for maintaining optimal health. Vitamin B-complex is a water soluble vitamins which includes thiamine (B1), niacin (B3) riboflavin (B2), folate and iron. These are added during enrichment process of foods like cereal grains and breads, as well as other foods such as meat, poultry, eggs, fish milk, legumes, etc.
In plant seeds, the photoreceptor phytochrome is responsible for the process termed photomorphogenesis<span>. This occurs when a seed initially situated in an environment of complete darkness is exposed to light. A brief exposure to electromagnetic radiation, particularly that whose wavelength is within the red and far-red lights, results in the activation of the photorecepter phytochrome within the seed. This in turn sends a signal through the signal transduction pathway into the nucleus, and triggers hundreds of genes responsible for growth and development</span>
