1.
Select the one that is considered a mammal?
Correct Answer
D. Black Bear Hamster
Explanation
The Black Bear Hamster is considered a mammal because it possesses the defining characteristics of mammals. These include having hair or fur, giving birth to live young, and producing milk to nourish their offspring. The Desert Tortoise, Frog, and Pigeon do not possess all of these characteristics and therefore are not considered mammals.
2.
Select the one that is considered a mammal?
Correct Answer
A. Black Bear
Explanation
The black bear is considered a mammal because it possesses the defining characteristics of mammals, such as having hair or fur, giving birth to live young, and producing milk to nourish their offspring. Additionally, black bears have mammary glands, which are a key feature of mammals. Therefore, the black bear is the correct answer as it meets all the criteria to be classified as a mammal.
3.
Select the one that is considered a mammal?
Correct Answer
A. Bison
Explanation
A bison is considered a mammal because it possesses all the characteristics of mammals. It has hair or fur, gives live birth, and nurses its young with milk. Additionally, bison are warm-blooded and have a four-chambered heart, which are other defining characteristics of mammals.
4.
Select the one that is considered a mammal?
Correct Answer
C. Bighorn Sheep
Explanation
The Bighorn Sheep is considered a mammal because it possesses all the characteristics of mammals. It has mammary glands that produce milk to nourish its young, it gives birth to live offspring, and it has hair or fur on its body. Additionally, Bighorn Sheep are warm-blooded, meaning they can regulate their body temperature internally, which is another characteristic of mammals.
5.
Select the one that is considered a mammal?
Correct Answer
D. Beluga Whale
Explanation
The Beluga Whale is considered a mammal because it possesses several characteristics that define mammals. It is warm-blooded, has hair or fur, gives birth to live young, and nurses its young with milk. Additionally, Beluga Whales have lungs and breathe air, unlike fish that use gills to extract oxygen from water. These traits classify the Beluga Whale as a mammal rather than a fish, bird, or arachnid like the other options listed.
6.
Which of these animals is a mammal?
Correct Answer
C. Beaver
Explanation
The beaver is a mammal because it possesses several key characteristics of mammals. These include having hair or fur, giving birth to live young, and producing milk to nourish their offspring. Beavers also have internal fertilization and are warm-blooded. Therefore, they meet all the criteria to be classified as mammals.
7.
Select the one that is considered a mammal?
Correct Answer
B. Bear
Explanation
The bear is considered a mammal because it possesses all the defining characteristics of mammals. It is warm-blooded, has hair or fur, gives birth to live young, and nurses its offspring with milk. These characteristics distinguish mammals from other animal groups such as reptiles, birds, and fish. The electric eel, spectacled caiman, and junco are not mammals as they do not possess all these characteristics.
8.
Select the one that is considered a mammal?
Correct Answer
B. Bat
Explanation
The bat is considered a mammal because it possesses all the characteristics of mammals. It has fur or hair, gives birth to live young, and nurses its offspring with milk. Bats also have a four-chambered heart and are warm-blooded. These traits are unique to mammals and differentiate them from other animals such as birds or insects. Therefore, the bat is the correct answer as it meets all the criteria to be classified as a mammal.
9.
Select the one that is considered a mammal?
Correct Answer
C. Badger
Explanation
A badger is considered a mammal because it possesses all the characteristics that define mammals. Mammals are warm-blooded vertebrates that have hair or fur, give birth to live young, and nurse their offspring with milk. Badgers fulfill all these criteria, as they have fur, give birth to live young, and nurse their babies with milk. On the other hand, piranhas are fish, newts are amphibians, and silkworms are insects, none of which are classified as mammals.
10.
Select the one that is considered a mammal?
Correct Answer
A. Bactrian Camel
Explanation
The Bactrian Camel is considered a mammal because it possesses the defining characteristics of mammals. These include having mammary glands that produce milk, being warm-blooded, having hair or fur on their bodies, and giving birth to live young. Bactrian Camels also have a four-chambered heart, which is another characteristic of mammals. In contrast, the other options (Junco, Sunfish, and Luna Moth) do not possess these mammalian characteristics and therefore are not considered mammals.
11.
Select the one that is considered a mammal?
Correct Answer
C. Baboon
Explanation
A baboon is considered a mammal because it possesses all the defining characteristics of mammals. These include having hair or fur, being warm-blooded, giving birth to live young, and producing milk to nourish their offspring. Baboons are primates and belong to the same family as humans, making them mammals. On the other hand, the Scarlet Macaw, Umbrellabird, and Northern Cardinal are all birds, which are not classified as mammals.
12.
Select the one that is considered a mammal?
Correct Answer
B. Armadillo
Explanation
The armadillo is considered a mammal because it possesses several characteristics that define mammals. It has hair or fur covering its body, it gives birth to live young, and it produces milk to nourish its offspring. Additionally, armadillos are warm-blooded, meaning they can regulate their body temperature internally. These characteristics are unique to mammals and distinguish them from other animal groups such as birds, reptiles, and insects.
13.
Which of these animals is a mammal?
Correct Answer
D. Arctic Wolf
Explanation
The Arctic Wolf is a mammal because it belongs to the Canidae family, which includes mammals such as dogs and foxes. Mammals are characterized by having hair or fur, giving birth to live young, and producing milk for their offspring. The Arctic Wolf meets all these criteria, making it a mammal.
14.
Select the one that is considered a mammal?
Correct Answer
C. Arctic Fox
Explanation
The Arctic Fox is considered a mammal because it possesses all the characteristics that define mammals. It has fur or hair, gives birth to live young, and nurses its offspring with milk. Additionally, the Arctic Fox is warm-blooded and has a four-chambered heart, which are other defining features of mammals.
15.
Select the one that is considered a mammal?
Correct Answer
A. Antelope
Explanation
An antelope is considered a mammal because it belongs to the order Artiodactyla, which includes hoofed mammals. Mammals are characterized by having mammary glands that produce milk, giving birth to live young, and having hair or fur on their bodies. Antelopes have all these characteristics, making them a part of the mammal group. On the other hand, vultures are birds, trout are fish, and lake trout is a specific species of fish. Therefore, antelope is the only option that fits the criteria of being a mammal.