EVERYDAY SCIENCE

Detailed explanation-1: -Protophyta. Protophyta are “plant-like” (autotrophic) organisms that are composed mostly of unicellular algae. The dinoflagellates, diatoms and Euglena-like flagellates are photosynthetic protists.

Detailed explanation-2: -In this article the algae are defined as eukaryotic (nucleus-bearing) organisms that photosynthesize but lack the specialized multicellular reproductive structures of plants, which always contain fertile gamete-producing cells surrounded by sterile cells.

Detailed explanation-3: -TIM: Algae are not plants, though. They’re plant-like organisms, but they don’t have roots, stems, or leaves like real plants do. TIM: Most algae are eukaryotic, meaning their cells have nuclei.

Detailed explanation-4: -Downy mildew is a type of oomycetes or water mold. Once considered a fungal disease, it is now classified in the family Peronosporaceae. There are thousands of different types of water molds, most of which are called downy mildew. Most specialize in a particular species or a group of plants.

Detailed explanation-5: -TIM: Protozoa have special spaces called vacuoles for digesting food and getting rid of excess water.