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Name the general characteristics of Protists
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Protists that make their own food are called what?
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Protists & Fungi
Protists & Fungi review Life Science
| Question | Answer |
|---|---|
| Name the general characteristics of Protists | 1)organism that belongs to kingdom Protists 2) differ in size, how obtain food and how reproduce 3) Eukaryotes (have nucleus) 4) less complex than other eukaryotes |
| Protists that make their own food are called what? | Producers |
| Special structure producers have that makes food. | Chloroplast |
| Protists use this process to use energy from sun to make their own food. | Photosynthesis |
| Term for organisms that can not make their own food and must get it from their environment. | Consumers |
| Organisms that acquire their food by breaking down dead, organic matter. | Decomposers |
| This type of organism invades another organism in order to get the nutrients it needs. | Parasite |
| Any organism a parasite invades. | Host |
| Do Protists reproduce mostly by sexual or asexual reproduction? | asexual reproduction |
| During what type of sexual reproduction do two individuals join together and exchange genetic material using two small nuclei? | Conjugation |
| Under what circumstances do Protists switch from asexual to sexual reproduction? | Stressful conditions such as heat shock or starvation |
| A type of asexual reproduction where a single-celled protist divides into two cells. | Binary fission |
| A type of asexual reproduction where a single-celled protist produces more than two offspring from one parent. | Multiple fission |
| What are the three types of Protists? | protist producers, heterotrophs that can move and heterotrophs that can't move. |
| What are free-floating, single-celled, microscopic algae? They also produce most of world's oxygen. | Phytoplankton |
| These protist producers contain chlorophyll but also a red pigment that allows them to absorb light that is filtered in deep, tropical water. | Red Algae |
| The most diverse group of protist producers. They often live in colonies. | Green Algae |
| These protist producers contain chlorophyll and yellow-brown pigment. They are known for their large size. | Brown Algae |
| These protist producers use photosynthesis to transport food to other parts of or organism that is too deep in water to receive sunlight. | Brown Algae |
| These protist producers are single celled and contain silica in their cell walls. | Diatoms |
| These protist producers usually live in salt water and move by using their whip like flagella. | DInoflagellates |
| These protists have chloroplasts and although are usually producers can also be consumers or decomposers. | Euglenoids |
| These are animal like heterotrophs that ;move. | Protozoans |
| These heterotrophs are soft and jelly-like and have highly stuctured cells. | Amoebas. |
| Amoebas use these to move. | Pseudopod. |
| A shelled amoeba-like protist that looks like a glass ornament. | Radiolarian |
| A shelled amoeba-like protist that has a snail-like shell. | Foraminifera |
| These heterotrophs have flagella and are often mutualistic where they live closely with another organism. Both benefit. | Zooflagellates |
| These protists are complex and use hair-like cilia to move and get food. | Ciliates. |
| These protists can NOT move, form spores. are often parasites and have complex life cycles often including 2 or more hosts. | Spore-forming Protists. |
| These single celled protists can NOT move, live in water and are often parasites. | Water molds |
| These heterotrophs can NOT move except certain phases of their life. Use pseudopdia to move and their spores are covered by a thick cell wall. | Slime molds |
| Eukaryotic heterotrophs that have rigid cell walls and no chlorophyll. | Fungi |
| A fungi that has a mutualistic relationship with plants. The plant benefits from the fungus and the fungus benefits from the plant. | Mycorrhiza |
| Threadlike fungal filaments | Hyphae |
| Mass of hyphae that forms body of fungus. | Mycellium |
| How do fungi reproduce asexually? | By producing spores or a piece of the mycellium breaks off and becomes new fungus. |
| How do fungi reproduce sexually? | Special sex cells join to produce sexual spores. |
| What are the 4 main groups of fungi? | Threadlike fungi, sac fungi, club fungi, and imperfect fungi. |
| This main group of fungi are primarily decomposers that form sporangia containing spores. Includes molds. | Threadlike fungi |
| The largest group of fungi which form sacs sexually and bud asexually. Includes yeast. | Sac fungi |
| This group of fungi is the most familiar and has hyphae that produce an umbrella shaped basidia. | Club fungi |
| Fungi that are club but not mushrooms belong to this group. Examples are Rust, puffballs, bracket fungi and smuts. | Non-mushroom Club fungi |
| This group of fungi include all species that do not fit in the other groups. Many are parasites that reproduce only asexually. | Imperfect fungi |
| A combination of a fungus and an alga that live in a mutualistic relationship. | Lichen |
| Are lichens producers, consumers or decomposers? | Producers...the algae in the lichen produce food by photosynthesis. |
| How do lichens keep from drying out? | The fungi has a protective cell wall that keeps water inside. |
| Why are lichens able to grow on rocks? | Lichens need only air, light, and minerals to grow and survive. |
Created by:
hsmallwood