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What are the categories of marine organisms?

Lesson Summary

  • Three main groups of ocean life are plankton, nekton, and benthos. Plankton float in the water. Nekton swim through the water. Benthos live on the ocean floor.
  • Phytoplankton are the primary producers in the ocean. They form the base of most marine food chains.

What are the 3 basic lifestyles of marine animals?

The three basic lifestyles are Plankton, Nekton, and Benthos. Plankton: These organisms float along the ocean or are very poor swimmers.

What is the largest living mammal?

Antarctic blue whale

What is the easiest animal to hunt?

I would say to start hunting squirrel and rabbit. If you have a shotgun then you might want to get into game birds after some practice at the range on skeet and trap. Both will teach you anticipation and how to lead your shot. Squirrels or rabbits are the traditional first game and still are.

What is the most toxic venom in the world?

Inland Taipan Snake

What is the most deadly organism?


Source: CNET
Animal Humans killed per year
1 Mosquitoes 1,000,000
2 Humans (homicides only) 475,000
3 Snakes 50,000

How many people do dogs kill a year?

25,000 people

How long will a cat wait to eat you?

Without their owners around to fill their bowls, the pets often go unfed. In cases where these people owned dogs, their pets would usually go several days without resorting to eating the owner’s body. However, a cat would only wait a day or two. The phenomenon is called “postmortem predation.”2014年1月7日

Do cats want to eat their owners?

Cats get a bad rap for being the most eager to eat their owners, and anecdotally, some emergency responders say it’s pretty common. When it happens, cats tend to go for the face, especially soft parts such as the nose and lips, says forensic anthropologist Carolyn Rando of University College London