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Science Biology Yr 7
biology
| Term | Definition |
|---|---|
| habitat | The natural home of a living organism, where it lives and preferably feels safe and has what they need. |
| abiotic factors | Non-living things that effect living organisms in their habitat, mostly in a good way. Some examples of abiotic things are sunlight (which is nearly always crucial for living creatures), water (again, crucial), soil and temperature. |
| biotic factors | Living things that a living organism needs. Examples include a mate and organisms to eat. The counterpart of abiotic factors. |
| autotroph | An autotroph is a living thing that makes their own food. They do this through photosynthesis, a process that turns sunlight into energy. |
| chemotroph | A chemotroph is a living thing that gains its own energy by absorbing chemicals such as carbon dioxide and other inorganic matter through chemosynthesis. |
| heterotrophs | When an organism gets its energy from another organism (eating). Animals are an example of heterotrophs. |
| prokaryote | The opposite of a eukaryote, a living thing which the nucleus isn't contained within a membrane. |
| eukaryote | An eukaryote is a living organism with cell with a nucleus, which contained within a membrane. |
| organelles | Tiny organs in a cell. Some are membrane-bound, others aren't. |
| pathogens | A pathogen is an organism, a bacteria or a virus that causes disease. |
| cell wall | A wall surrounding the cell. |
| Mrs Gren - M | Movement - the ability to get oneself to another place through motion or being able to change one's posture or physical state. |
| Mrs Gren - R | Respiration - the act of taking in and taking out air In order to receive the nutrients in the air |
| Mrs Gren - S | Sensitivity - the ability to sense the environment around them and actively respond to it if needed. |
| Mrs Gren - G | Growth - when an organism can changing physically and/or getting larger in size over time. |
| Mrs Gren - R | Reproduction - the ability to make copies of oneself. |
| Lysotrophs | Decomposers, absorbing energy from dead creatures. Fungi are lysotrophs. |
| Multicellular | Living things that have more than one cell |
| Unicellular | Living things with only one cell. |
| Protists | Protists are one of the six kingdoms of living things. They are eukaryotes and have membrane-bound organelles. Some times they are unicellular, others are multicellular. They are almost the misfit group. Examples include paramecium, amoeba and giant kelp. |
| Plantae | Plantae, or plants are one of the six kingdoms, are autotrophs and are eukaryotes. Their cells have cell walls and are multicellular. |
| Archaea | One of the six kingdoms. Archaea are unicellular and prokaryotic who reproduce asexually. |
| Animalia | One of the six kingdoms, who are multicellular and are heterotrophs and typically reproduce sexually. Their cells do not have cell walls. |
| Bacteria | One of the six kingdoms. They are unicellular and surrounded by a cell wall. They are prokaryotic. |
| Fungi | One of the six kingdoms. Except from yeasts, fungi are multicellular. The are decomposers and are eukaryotes. They aren't dependent on light and lack chlorophyll, true leaves, roots and stems. |
| Dichotomous Keys | A way of distinguishing different species. |
| symbiosis | When at least two animal species have either a commensalism, parasitism or mutualism relationship. |
| Cnidarians | One of the classes of invertebrates. All of cnidarians are aquatic, and all have radial symmetry. |
| Molluscs | A class of invertebrates, who have unsegmented body with bilateral symmetry. They have either an internal or external shell. |
| Poriferans | Poriferans are a class of invertebrates, which include corals. They are commonly called sponges, and are sessile (fixed in one place) and are muticellular. |
| Arthropods | The kingdom that includes insects. The have segmented bodies and an exoskeleton made of chitin. |
| Annelids | Include worms. They are one of the six invertebrae and they all have bilateral symmetry. They have long, segmented bodies. |
| Echinoderms | Examples include starfish, sea cumbers and sand dollars. They are exclusively marine. |
| Asymmetrical | In biology, it means an organism is not symmetrical. |
| Symmetrical | When a living organism has symmetry. |
| Radial Symmetry | symmetry about a central axis, as in a starfish or a tulip flower |
| ectothermic | cold-blooded |
| endothermic | warm-blooded |
| Jawless Fish | Fish that do not have any jaws (duh). Examples: lampreys. Vertebrates. |
| Bony Fish | Fish that have real bones. Examples: salmon, trout. Vertebrates. |
| Cartilaginous Fish | Fish that only have cartilage, no real bones. Examples: sharks, rays. Vertebrates. |
| Birds | Have feathers and lay eggs. Only species known to be able to really fly, not glide. Endothermic and vertebrates. |
| Mammals | Warm blooded vertebrates that have either fur or hair. Excepting the monotremes, they all give birth to live young. Examples: Humans, bears, cats. |
| Amphibian | Cold blooded vertebrates with moist, wet skin. They lay eggs. |
| Reptile | Cold blooded vertebrates with skin with scales or scutes. They lay eggs, like amphibians. |
| Mutualism | A realtionship between two species, in which both species benefit in some way. |
| Commensalism | A symbiosis where one species benefits from the relationship but the other gets no benefits but no harm in return. |
| Parasitism | When a species gains something from another species, but that species gets harmed in return. |
| Invasive species | A species that causes damage outside it's native environment to other living things, humans or human resources. |
| Vertebrate (Chordata) | A living creature with a backbone. |
| Invertebrate | A living creature without a backbone. |
| Mrs Gren - E | Excretion - a process of expelling or eliminating unneeded nutrition and waste matter. |
| Mrs Gren - N | Nutrition - all living things need nutrition to survive, whether they make it themselves (autotrophs or chemotrophs) or get it from other organisms (heterotrophs) |
| Sessile | Fixed in one place. |
| Bilateral symmetry | the property of being divisible into symmetrical halves on either side of a unique plane. |
| Colonial | Animals that live in groups and are very close to one another. Examples include ants, bees and lions. |
| Solitary | An animal that prefers to live on its own, only socialising when it needs to mate. Examples include tigers and polar bears. |
| Pelagic | Swims and moves around in the body of water, commonly the ocean. |
| Benthic | Moves around on the floor of the body of water, commonly the ocean. |
Created by:
sophia.sadekov