Sea Monster Project by Benjamin Thomas

Trophic Levels and Organisms

benjamin762773 — 2025-01-24 14:32:08 UTC

This ecosystem is based in the bathypelagic zone of the ocean (1,000–4,000 meters deep), known as the “midnight zone.” It is home to unique organisms adapted to cold, high-pressure, and low-light conditions. The water is saltwater, with no connection to freshwater sources. Seasonal changes are minimal but may involve slight shifts in food availability due to sinking organic material from the surface.

Producer

benjamin762773 — 2025-01-24 14:39:43 UTC

Chemosynthetic Bacteria are bacteria that feed off of chemicals the chemicals that come out of hydrothermal vents

Primary Consumer

benjamin762773 — 2025-01-24 19:13:15 UTC

The Riftia tubeworms have a symbiotic relationship with the nearby bacteria and are a key part of vent ecosystems

Secondary Consumer

benjamin762773 — 2025-01-24 19:15:26 UTC

These creatures are small scavengers that feed other smaller organisms as well as detritus

Primary Consumer

benjamin762773 — 2025-01-24 19:23:06 UTC

These creatures feed on sinking matter as well as microscopic algae/bacteria and are very abundant in number

Secondary Consumer

benjamin762773 — 2025-01-24 19:26:50 UTC

This small fish is known for its bioluminescence and for feeding on small crustaceans and planktonic organisms

Tertiary Consumer

benjamin762773 — 2025-01-24 19:28:56 UTC

This cephalopod scavenges and hunts for smaller organisms that dwell in the depths

Tertiary Consumer

benjamin762773 — 2025-01-24 19:53:14 UTC

This hypothetical creature would feed on the larger organisms like whales or other colossal squids, dominating the food chain and becoming the apex predator

Decomposer

benjamin762773 — 2025-01-24 19:55:25 UTC

These detritivores process organic matter from the seafloor, recycling nutrients into the ecosystem.

Question 2

benjamin762773 — 2025-01-24 20:15:14 UTC

Water Temperature: 2–4°C (35–39°F), extremely cold.

Salinity: High (35 ppm), similar to other oceanic zones.

Movement: Slow-moving water currents with occasional turbulence near vents.

Depth: 1,000–4,000 meters

Color: The water appears black due to the absence of sunlight.

Question 1

benjamin762773 — 2025-01-24 20:18:59 UTC

The climate of this ecosystem would be incredibly cold due to its distance from the sun with the only form of heat coming from undersea vents that spew minerals and gases.

Question 3

benjamin762773 — 2025-01-24 20:20:14 UTC

Due to its extreme depth there is virtually no sunlight, causing it to be completely pitch black

Question 4

benjamin762773 — 2025-01-24 20:22:36 UTC

This ecosystem would be in the lower bathypelagic zone to the upper Abyssopelagic zone.

Question 5

benjamin762773 — 2025-01-24 20:24:44 UTC

The water source of this ecosystem would be solely saltwater

Question 6

benjamin762773 — 2025-01-24 20:26:10 UTC

Nope, no freshwater in sight

Question 7

benjamin762773 — 2025-01-24 20:27:40 UTC

Seasonal changes come in the form of the availability of "marine snow" (detritus falling from above), which may increase or decrease due phytoplankton blooms in surface waters, which are based on seasons.

Question 8

benjamin762773 — 2025-01-24 20:28:31 UTC

If Primary Consumers Went Extinct:

Organisms relying on primary consumers (e.g., secondary consumers like lanternfish) would starve. Producers like chemosynthetic bacteria may overpopulate without being grazed upon, disrupting nutrient cycling.

Question 9

benjamin762773 — 2025-01-24 20:28:49 UTC

If Decomposers Were Removed:

Dead organisms would accumulate on the seafloor, and nutrients would not be recycled. Primary producers would suffer due to a lack of nutrients, causing a collapse of the entire food web