Deep Sea Ecosystem

Check all that apply.

Which of the following are abiotic factors of the deep sea?

• cold temperature

• no sunlight

• low pressure

• abundant nutrients

• high pressure

Tags

NGSS.MS-LS2-3

Check all that apply.

Which of the following are adaptations life has made to the deep sea?

• photosynthesis

• chemosynthesis

• bioluminescence

• big eyes

• large body size

Tags

NGSS.MS-LS4-4

What type of symmetry does phylum porifera exhibit?

• radial

• bilateral

• asymmetry

• pentaradial

Water enters a sponge through which anatomical structure?

• osculum

• collar cell

• bud

• ostia

Fill in the blank.

When mapping the seafloor, _?_ is used to determine the ocean depth.

• SONAR

• RADAR

• Light waves

• Radio waves

Sponges are _?_ and can switch which gametes (sex cells) they produce during breeding season.

• hermaphroditic

• separate sexes

• asexual

• commensalistic

What forms when cold water seeps through cracks in earth's crust and is superheated and returns to the seafloor in an eruption?

• trench

• mid-ocean ridge

• hydrothermal vent

• guyot

Tags

NGSS.MS-ESS2-1

What is decaying organic matter falling from the surface to the seafloor called?

• popcorn

• decomp rain

• dead stuff hail

• marine snow

Tags

NGSS.MS-LS2-3

Fill in the blank.

Sponges can reproduce asexually through fragmentation and _?_.

• brooding

• sexually

• budding

• cutting

Tags

NGSS.MS-LS3-2

What type of relationship exists when 1 organism benefits and the other is neither helped nor harmed from the interaction?

• mutualism

• commensalism

• parasitism

• predation