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WorksheetsDiatoms and Dinoflagellates
Total questions: 16
Worksheet time: 15mins
Diatoms and Dioflagellates are both in which domain?
(¿En qué dominio están las Diatoms y los Dinoflagellates?)
Prostia
Eukarya
Fugni
Pyhtopanktoi
Check all that applies about Diatoms:
(Marque todo lo que se aplica sobre las Diatoms)
They can swim.
Blooms produce brown tides.
They photosynthesize.
They are heterotrophic (eat other organisms).
They're transparent.
Dinoflagellates are similar to plants because...
(Dinoflagellates son similares a las plantas porque...)
They don't move or eat other organisms.
They photosynthesize and have similar cell walls.
They reproduce sexually.
They have no similarities, actually.
Would you rather be reborn as a Diatom or a Dinoflagellate? (Prefieres renacer como una Diatom o Dinoflagellate?)
Diatom, because I like to float and take it easy.
Diatom, because I want to support whole ecosystems!
Dinoflagellate, because I want to move around.
Dinoflagellate, because I want to glow.
Why did diatoms evolve to release oil inside themselves?
(¿Por qué evolucionaron las diatoms para liberar aceite en su interior?)
Oil makes them darker, letting them hide.
Oil makes them taste bad to predators.
Oil helps them float toward the surface.
Oil is a byproduct of respiration.
Why are diatoms and dinoflagellates important in an ecosystem?
(¿Por qué son importantes diatoms y dinoflagellates en un ecosistema?)
They provide much of the energy for other organisms.
They keep the water perfectly clear.
They absorb toxins and chemicals, so that other animals don't have to.
They're not actually very important.
Check all that apply. Dinoflagellates...
(Marque todo lo que corresponda. Dinflagellates...)
Have an spot that detects light.
Have two flagellum that they use to move.
Reproduce mostly sexually.
Are heterotrophic (they eat other organisms).
Have cell walls made of cellulose.
A large "bloom" of diatoms in the water is called a _____.
(Una gran "floración" de diatoms en el agua se llama _____).
(a)
What's are some similarities between diatoms and dinoflagellates?
(¿Cuáles son algunas similitudes entre las diatoms y los dinoflagellates?)
Both are microscopic.
Both are usually beneficial, but can be harmful during "blooms."
Both are heterotrophic.
Both have evolved ways to move toward light to photosynthesize.
Mr. Hellmer loves both deeply.
Why do you think dinoflagellates evolved two flagella instead of one?
(¿Por qué crees que los dinoflagellates desarrollaron dos flagelos en lugar de uno?)
So they can move twice as fast.
In case one breaks.
So that they can turn and move more easily.
Two is always better than one.
True or false: there are lots of diatoms in the deep ocean.
(Verdadero o falso: hay muchas diatoms en el océano profundo.)
True
False
True or false: since diatoms photosynthesize, brown tides produce lots of oxygen in the water.
(Verdadero o falso: dado que las diatoms realizan la fotosíntesis, las mareas marrones producen mucho oxígeno en el agua.)
True
False
Algae blooms are often caused by rain washing fertilizer into rivers and lakes. Do you think the government should regulate how much/what kind of fertilizer farmers can use?
Yes, we should protect these marine ecosystems.
Yes, or at least try to block fertilizer from entering the water.
No, it's unfair to the farmer to tell them what they can or can't use on their crops.
No (other reason?)
A large "bloom" of dinoflagellates in the water is called a _____.
(Una gran "floración" de dinoflagellates en el agua se llama _____).
(a)
A decline in the amount of diatoms in the water will most likely result in...
(Una disminución en la cantidad de diatomeas en el agua probablemente resultará en ...)
slightly murky water and reduced biodiversity.
clear water and reduced biomass in the ecosystem.
slightly murky water and increased biodiversity.
clear water and increased biomass in the ecosystem.
What's your favorite thing you've learned about either diatoms or dinoflagellates?
(¿Cuál es tu cosa favorita que has aprendido sobre diatoms or dinoflagellates?)
