hibernation
aestivation
dormancy
senescense
Correct answer is B
Aestivation is characterized by inactivity and a lowered metabolic rate, and is induced by high temperatures and arid conditions. It takes place during times of heat and dryness (the hot dry season) which are often the summer months.
xanthophyll
chromatophores
chlorophyll
melanin
Correct answer is B
Chromatophores are cells that produce color. Many types are pigment-containing cells, or groups of cells, found in a wide range of animals including amphibians, fish, reptiles, crustaceans, and cephalopods.
Mammals and birds, in contrast, have a class of cells called melanocytes for coloration.
Which of the following animals is most adapted for water conservation?
earthworms
mammals
flatworms
insects
Correct answer is D
Insects are widespread and adapted to all types of environment, even the driest and hottest places on earth.
The part of a domestic fowl responsible for preventing heat loss is the?
filoplume
contour feather
down feather
quill
Correct answer is C
Down feathers are those that help keep the bird's body warm. They are soft and fluffy, and are found on the inner side of the body.
Plants that grow in an area that is neither too wet nor too dry are
xerophytes
mesophytes
epiphytes
hydrophytes
Correct answer is B
No explanation has been provided for this answer.