37. Wings, fins, and arms are limb adaptations that allow mammals to
a. live in different environments
b. attain diverse sizes
c. nurse their young
d. communicate with other mammals
38. Which characteristic is NOT widely adapted to allow mammals to live in different environments?
a. eyes
b. heart
c. feet
d. hair
B?
-MC
38 is correct.
What about 37?
37. a. live in different environments
Wings, fins, and arms are limb adaptations that allow mammals to survive and thrive in a variety of environments. Wings enable certain mammals, such as bats, to fly and access resources in the air; fins allow marine mammals, such as dolphins and whales, to swim and navigate in water; and arms enable terrestrial mammals, including humans, to manipulate objects and navigate through land environments.
38. b. heart
The heart is not a characteristic that is widely adapted specifically to allow mammals to live in different environments. While the heart is an essential organ for the overall functioning of mammals, it is not directly related to their ability to adapt to different environments. Eyes, feet, and hair, on the other hand, are characteristics that have varying adaptations across mammalian species to suit different environmental conditions.
To answer question 37 correctly, let's analyze each option:
a. Wings, fins, and arms are limb adaptations that allow mammals to live in different environments: This option refers to various types of limb adaptations, which could indeed help mammals live in different environments. For example, wings can help mammals fly, fins can aid in swimming, and arms can facilitate climbing or maneuvering on land.
b. Wings, fins, and arms are limb adaptations that allow mammals to attain diverse sizes: While limb adaptations can indeed contribute to the diversity of mammalian sizes, there are other factors involved in size variation, such as skeletal structure, body composition, and overall genetics.
c. Wings, fins, and arms are limb adaptations that allow mammals to nurse their young: This option is not accurate. Limb adaptations are not directly related to the ability of mammals to nurse their young. Instead, mammary glands and other anatomical features are responsible for enabling mammalian species to nurse their offspring.
d. Wings, fins, and arms are limb adaptations that allow mammals to communicate with other mammals: Communication among mammals is primarily facilitated through various means such as vocalizations, body language, and scent marking. Limb adaptations, although they can be involved in communication indirectly, are not the primary means by which mammals communicate with each other.
Based on the explanations above, the correct answer for question 37 is a. live in different environments.
Moving on to question 38, let's evaluate the options:
a. Eyes: Mammals possess a range of eye adaptations that allow them to see in different environments. Eyes are widely adapted among mammals and play a significant role in their survival and adaptation.
b. Heart: The heart is a vital organ in mammals that pumps blood throughout the body, supplying oxygen and nutrients. While adaptations in the cardiovascular system occur, it is not directly related to environment-specific adaptations.
c. Feet: Mammals have various adaptations in their feet to suit different environments, from webbed feet for swimming to padded feet for walking on land. Feet adaptations are indeed widely observed among mammals to accommodate different habitats.
d. Hair: Hair is a characteristic unique to mammals and serves multiple functions, such as insulation, camouflage, and sensory perception. Hair plays a crucial role in adapting mammals to different environments.
Considering the options provided, the correct answer for question 38 is b. heart.