Question

use the data below to answer questions 12 - 15.
table 2: length, mass, and top speed of animals of different classes
animal|length (m)|mass (kg)|top speed (km/hr)|class
american eel|1|1.5|3.9|fish
california sea lion|2.2|200|21.6|mammal
chinstrap penguin|0.68|4.5|32.3|bird
common octopus|0.75|17|40|invertebrate
emperor penguin|1.2|35|7.5|bird
flying fish|0.5|1|56.5|fish
gentoo penguin|0.7|8.2|36|bird
great white shark|4.8|800|40|fish
sailfish|3|90|110|fish
sea otter|1.4|30|9|mammal
striped marlin|3.5|163|81|fish
swordfish|2.1|98|97|fish
tiger shark|3.8|550|32|fish
wahoo|2|80|77|fish
question 12 *

1. the animal that can cover the largest distance in 3.5 hours falls in which class?

a. fish
b. bird
c. mammal
d. invertebrate
question 13
formula: speed = distance / time

1. calculate the time it will take a common octopus to travel 50 kilometers.

a. 0.75 hours
b. 1.00 hours
c. 1.25 hours
d. 2.94 hours

Explanation:

Step1: Recall distance - speed - time formula

Distance $d = s\times t$, where $s$ is speed and $t$ is time. Given $t = 3.5$ hours, we need to find the animal with the highest top - speed.

Step2: Identify the animal with the highest top - speed from the table

From the table, the sea otter has a top - speed of $110$ km/hr, which is the highest among all the animals listed. The sea otter is a mammal.

for question 13:

Step1: Rearrange the speed formula

Given $s=\frac{d}{t}$, we can solve for $t$ as $t = \frac{d}{s}$. The speed of the common octopus from the table is $s = 17$ km/hr and $d = 50$ km.

Step2: Calculate the time

$t=\frac{50}{17}\approx2.94$ hours

Answer:

C. Mammal