There’s a New Biggest Animal (Maybe)

There’s a New Biggest Animal (Maybe)

Assessment

Interactive Video

Science, Biology

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the discovery of Pericetus colossus, a potentially larger animal than the blue whale, found in Peru. It discusses the challenges in estimating its size due to its unique skeletal structure, which is denser and thicker than modern marine mammals. The video compares Pericetus to manatees and modern whales, suggesting it was a slow-swimming coastal species. It also speculates on its diet, possibly scavenging marine animals. The discovery raises questions about the limits of animal size and suggests that Pericetus might be the largest known animal, though uncertainties remain.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the previously believed largest animal on Earth before the discovery of Pericetus colossus?

Giraffe

Blue Whale

African Elephant

Tyrannosaurus Rex

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes estimating the size of Pericetus colossus challenging?

Its fossils were found in multiple locations

It has a similar skeletal structure to dolphins

Its bones are thicker and denser than modern marine mammals

Its bones are lighter than modern whales

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which animal's skeletal mass to body mass ratio was used to estimate the lower size limit of Pericetus colossus?

Blue Whale

Dolphin

Manatee

Shark

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What swimming style is Pericetus colossus believed to have had?

Fast swimming like modern whales

Slow swimming like a manatee

Gliding like a manta ray

Darting like a dolphin

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a possible diet of Pericetus colossus?

Feeding on plankton

Scavenging on large dead animals

Carnivorous diet of large marine animals

Herbivorous diet of seaweed

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one advantage of the large size of Pericetus colossus?

Stability in strong coastal waves

Faster swimming speed

Ability to live on land

Ability to fly

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is still uncertain about Pericetus colossus?

Its ability to live on land

Its ability to fly

Its exact size and lifestyle

Its color and skin texture