Question

which of the following organisms is listed as a producer in a seagrass meadow food web
macrosalgae
sharks
green sea turtles
fish
question 19
1 pts
at what maximum depth are seagrass meadows typically found, depending on water quality and light availability?
up to about 50 metres (160 ft)
only in the intertidal zone
around 100 metres (330 ft)
about 10 metres (33 ft)

Explanation:

First Question (Producer in Seagrass Meadow Food Web)

Producers in a food web are organisms that can perform photosynthesis (like plants or algae) to make their own food. Macroalgae are a type of algae that produce food via photosynthesis. Sharks, green sea turtles, and fish are consumers (they eat other organisms) and not producers.

Seagrass meadows depend on light for photosynthesis. Their maximum depth, based on water quality and light availability, is typically up to about 50 metres (160 ft). The intertidal zone is too shallow a description (they can be deeper than just intertidal), 100 metres is too deep (light won't be sufficient for most seagrasses at that depth), and 10 metres is too shallow as a maximum (they can be found deeper than 10 metres in good conditions).

Answer:

A. Macroalgae

Second Question (Maximum Depth of Seagrass Meadows)