HW #3

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Biology

•

12th Grade

•

Medium

Mr. Villafuerte

Used 3+ times

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3 Slides • 22 Questions

HW 9/12

Multiple Choice

Some shrimp and crab live and capture food from within the tentacles of giant anemones.

Parasitism

Commensalism

Mutualism

Multiple Choice

A pearlfish spends the day inside the alimentary tract, or intestines, of a sea cucumber. The fish emerges from the sea cucumber at night to feed on small crustaceans. The pearlfish gets a safe place to live. The sea cucumber does not gain anything from the relationship, nor is it harmed.

Mutualism

Commensalism

Parasitism

Multiple Choice

A cymothoid isopod lives inside the mouth of a snapper fish. The isopod severs blood vessels in the fish’s tongue, causing the tongue to atrophy and degenerate.The isopod then hooks its pereopods, or legs, to the base of the fish’s tongue,essentially replacing the tongue. The isopod stays there for the rest of its life, feeding on blood, mucus, and stray pieces of food from the fish.

Commensalism

Parasitism

Mutualism

Multiple Choice

A boxer crab carries a pair of small anemones in its chelipeds, or claws. When approached by a predator, the crab waves the stinging tentacles of the anemones to deter the predator. The anemones benefit from the small particles of food dropped by the crab during feeding.

Commensalism

Mutualism

Parasitism

Multiple Choice

An alpheid shrimp digs and maintains a deep burrow. While underground, the shrimp is safe. Above ground, it is vulnerable to predators. A go by fish lives in the burrow with the shrimp. The go by fish sits at the entrance, keeping watch for predators, and signals the shrimp with a flick of its tail when it is safe to come out. Or, if a predator swims by, the go by darts into the burrow and the shrimp retreats further inside.These two animals are completely dependent on each other—the go by benefits by getting a burrow to live in and the shrimp knows when predators are near.

Parasitism

Mutualism

Commensalism

Multiple Choice

Corals feed off the byproducts of a microscopic algae living within their own tissue,called zooxanthellae. The photosynthetic activity of the algae is vital to the survival of the coral animals, which use the energy to extract calcium from the seawater and build their calcareous skeletons. The zooxanthellae are protected by the hard coral and obtain plant nutrients from the coral.

Mutualism

Commensalism

Parasitism

Multiple Choice

The siboglinid tube worm, found at deep-sea hydrothermal vents and cold seeps,has no digestive tract. It relies on symbiotic bacteria that live in the tube worm’s tissues. The bacteria oxidize hydrogen sulfide or methane for the worm.

Mutualism

Commensalism

Parasitism

HW 9/13

Multiple Choice

Which one is NOT an example of a decomposer?

mushroom

leaves

mold

worm

Multiple Choice

Examples of a producer

frog

algae

worm

mouse

Multiple Choice

Example of a decomposer

fungus

mouse

plants

frogs

Multiple Choice

What is a producer?

an organism that gets energy from eating other organisms

an organisms that uses sunlight to make its own food

an organism that gets energy from eating dead organisms, non-living material or waste

an organism that uses chemical energy to make its own food

Multiple Choice

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

10 Kcal

1 Kcal

100 Kcal

1000 Kcal

Multiple Choice

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

coyote

insect

lizard

shrub

Multiple Choice

The largest group of organisms found in a food web would be:

Primary Consumers

Producers

Decomposers

Tertiary Consumers

Multiple Choice

A third-level consumer has to be which type?

Carnivore.

Decomposer.

Producer.

Herbivore.

HW 9/14

Multiple Choice

A secondary consumer

eats primary consumers

eats producers

eats plants

Multiple Choice

What is the term for a place an organism lives?

Species

Community

Niche

Habitat

Multiple Choice

Which organism in this food chain is a secondary consumer?

Fish

Grass

Grasshopper

Hawk

Multiple Choice

A niche ________________.

is the function that an organism performs in the food web of that community.

includes everything else the organism does and needs in its environment.

is specific to each individual animal and plant.

All of the above.

Multiple Choice

What is shown in the image?

Niche

Habitat

Multiple Choice

The lion lives on the savanna.

habitat

niche

Multiple Choice

The lion is a carnivore.

habitat

niche

HW 9/12

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