Which of the sentences below does not describe an autotroph? a wheat that is used to make flour for bread b a cardinal that feeds on a sunflower c photosynthetic algae growing on the surface of a lake d bacteria that perform chemosynthesis
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| a |
wheat that is used to make flour for bread
|
| b |
a cardinal that feeds on a sunflower
|
| c |
photosynthetic algae growing on the surface of a lake
|
| d |
bacteria that perform chemosynthesis
|
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- what makes areobic or presence of oxygen conditions good for bacteria to growTrace the incorrect statement Trypanosoma is the organism that is the causative factor of sleeping sickness & belongs to the phylum of zoomastigotes Holozoic feeders survive using the chemical energy that is supposedly derived from the oxidation of organic molecules The most diverse kingdom in the domain of Eukarya is the kingdom Protista. Plant kingdom comprises all those organisms that are capable of photosynthesis NextIn the pictures below, identify the arrowed reproductive structures of microscopic cyanobacteria based on the following descriptions: Akinetes are dormant structures larger than the vegetative cells, are rich in food reserves, and have thick walls. Most filamentous cyanobacteria develop akinetes in adverse conditions (e.g., winter, dry periods). When favorable conditions return, they germinate and produce new filaments. Hormogonia are short pieces of filaments consisting of 5–15 trichomes that fragment and develop into new filaments. Heterocytes (or heterocysts) are multicellular structures that have a thick and massive sheath, formed by members of the Nostocales. It is the location of the enzyme nitrogenase for nitrogen fixation, the conversion of nitrogen gas into ammonium and then amino acids. They may be intercalary or terminal in position and may germinate from either end or both the ends to give rise to new filaments. Non-filamentous cyanobacteria generally produce spores…
- Which term would describe the diet of the following organism? A protist that eats bacteria in freshwater puddles for carbon and energy Chemoheterotroph Photoautotroph Photoheterotroph ChemoautotrophAn organism is a mixotroph loses its plastids, it survives because of which reason; 1. It has an endospore and becomes dormant until conditions improve 2. It has photosynthesis by membranes present in the cytoplasm 3. since it is also a heterotroph engulfs organic material by phagocytosis or by absorption for nutrition 4. uses mitochondria that acquite after loosing its plastidsFungi have a special mode of nutrition, they are decomposers because: * they absorb large and complex molecules from environment, and then secreting hydrolytic enzymes internally to break them down. all statements are correct they absorb small organic molecules from environment, after secreting hydrolytic enzymes into their surroundings to breakdown complex molecules externally. they are autotrophs they ingest food particles, then secreting hydrolytic enzymes for digestion.
- Which of the following pair is NOT a match? O Chlamydias - chalamedya trichomatis (causes STD that can lead to blindness) O Epsilon Protobacteria - Helicobacter pylori (human pathogen causing stomach ulcer) O Spirochetes - Treponea pallidum (causes Syphillis) O Alpha Protobacteria – Rhizobium sp. (N2 fixation in legumes) O Gram positive bacteria – Oscillatoria (filamentous phytoplankton)Which of the following protists photosynthesize? Group of answer choices Autotrophs Heterotrophs MixotrophsDinoflagellates are unicellular, marine protists. Dinoflagellates are bioluminescent, but only at night. During the day, they carry out photosynthesis similar to other autotrophs. At night, however, they bioluminesce every time they are disturbed. They are often seen in the wakes of ships at night. While the reason for this bioluminescence is not fully understood, many scientists concur that it is a form of self-defense. If small fish begin to feed upon the protists, the protists will begin to bioluminesce. These flashes of light in the dark water can alert larger fish and draw them towards the small fish, upon which they prey. By making the small fish vulnerable, the dinoflagellates are able to protect themselves. Based on the information above, a researcher decides to design an experiment in which she is testing how long it takes for dinoflagellates to recover after different amounts of disturbance. She maintains 10 containers of dinoflagellates with similar temperature, salinity and…
- Which of the following is true about Heterocysts? Choose all possible answers. Are the sites of nitrogen fixation in cyanobacteria are surrounded by a thickened cell wall that slows the diffusion of O2 into the cell and lack photosystem II fluoresce as strongly as vegetative cells are able to fix CO2 have intercellular connections with adjacent vegetative cells that allow for mutualDinoflagellates are unicellular, marine protists. Dinoflagellates are bioluminescent, but only at night. During the day, they carry out photosynthesis similar to other autotrophs. At night, however, they bioluminesce every time they are disturbed. They are often seen in the wakes of ships at night. While the reason for this bioluminescence is not fully understood, many scientists concur that it is a form of self-defense. If small fish begin to feed upon the protists, the protists will begin to bioluminesce. These flashes of light in the dark water can alert larger fish and draw them towards the small fish, upon which they prey. By making the small fish vulnerable, the dinoflagellates are able to protect themselves. Based on the information above, a researcher decides to design an experiment in which she is testing how long it takes for dinoflagellates to recover after different amounts of disturbance. She maintains 10 containers of dinoflagellates with similar temperature, salinity and…Find the large nucleus located near the cell. Make several outline drawings to illustrate the successive changes of 1. shape of the amoeba. Make drawings of the Amoeba you observe, and label its structures. C O O liko mer 0 AS 6 0 O Paramecium -- Paramecia are quite large, straw-colored, slipper-shaped and move rapidly, and they are thus very noticeable. If there are Paramecia in your field of view you probably will recognize them immediately. Often, however, students do have difficulty both finding a Paramecium, and after they have found one, making it move slowly enough so they can study it at high magnification. The trick to finding a Paramecium is to scan the entire slide quickly using the scanning lens. Then, if you do not find one, make a new slide and search again. Often, Paramecia tend to move to the edges of the coverslip, and even "escape" the coverslip at its edges. The trick to slowing the Paramecia is to mix a drop of methyl cellulose with a drop of the cell culture, as…
