Algae | Definition, Characteristics, Classification, Examples, & Facts ...
2024年12月17日 · algae, members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista. Algae have many types of life cycles, and they range in size from microscopic Micromonas species to giant kelps that reach 60 metres (200 feet) in length.
Algae - Wikipedia
Algae (UK: / ˈælɡiː / AL-ghee, US: / ˈældʒiː / AL-jee; [3] sg.: alga / ˈælɡə / AL-gə) is an informal term for any organisms of a large and diverse group of photosynthetic eukaryotes, which include species from multiple distinct clades.
Algae - Photosynthesis, Diversity, Nutrition | Britannica
2024年12月17日 · Algae - Photosynthesis, Diversity, Nutrition: Algal cells are eukaryotic and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the mitochondrion. In most algal cells there is only a single nucleus, although some …
Algae - Photosynthesis, Diversity, Ecology | Britannica
2024年12月17日 · Algae are almost ubiquitous throughout the world and can be categorized ecologically by their habitats. Planktonic algae are microscopic and grow suspended in the water, whereas neustonic algae grow on the water surface and can be micro- or macroscopic.
7 Major Types of Algae - ThoughtCo
2024年10月29日 · Algae are protists with plant-like characteristics, that are typically found in aquatic environments. Like plants, algae are eukaryotic organisms that contain chloroplasts and are capable of photosynthesis. Like animals, some algae possess flagella, centrioles, and are capable of feeding on organic material in their habitat.
Algae – Definition, Examples, Characteristics - Science Notes and ...
2024年9月11日 · Algae are a diverse group of photosynthetic organisms that primarily live in aquatic habitats. The word “algae” is the plural of the singular term “alga”. The study of algae is phycology. Algae play a critical role in the environment and human industry, from forming the basis of aquatic food chains to being used in pharmaceuticals and ...
藻類 - 维基百科，自由的百科全书
藻類（algae）是一个非正式术语，泛指所有非植物的光合自营 真核生物，是一个由多个不同演化支（支序群）组成的复系群。 所有藻类 细胞 都有含有 叶绿素 的 色素体 —— 叶绿体 ，源自被 内共生 的 藍綠菌 ，但在 分类 上各自属于獨立的 演化支 ，其内共生 ...
Algae: Definition, Types, Characteristics &Amp; Reproduction
2024年6月2日 · Algae are a type of aquatic plant that contains chlorophyll and can carry out photosynthesis. They are similar to plants in that they are autotrophs, but they are not structurally similar to plants in their external appearance. Algae can be …
Algae - Definition, Characteristics, Types and Examples - BYJU'S
Algae are usually green, but they can be found in a variety of different colours. For instance, algae living in snow contain carotenoid pigments in addition to chlorophyll, hence giving the surrounding snow a distinctive red hue. Read on to explore more about the types and characteristics of algal cells in the notes provided below.
Algae - Simple English Wikipedia, the free encyclopedia
Algae (singular: alga, plural: algae) are plant-like living things. They make food from sunlight by photosynthesis. The study of algae is called phycology or algology. The term covers different groups, and they are not all closely related. They are a polyphyletic group. The term lumps together different kinds of organisms.