marine reptiles and mammals test

Reptiles include __________, __________, __________, and __________.

crocodilians, turtles, lizards, and snakes.

The liquid-filled sac where the embryo develops in an amniotic egg is called the __________.

amnion

The membrane lining inside the shell that allows for gas exchange is known as the __________.

chorion

__________ is the adaptation that allows reptiles to avoid aquatic predators.

Amniotic eggs that can be laid in dry places

The Asian saltwater crocodile can grow to be as large as __________ for males.

6-7 m

Crocodiles communicate using __________ or __________.

calls; barks

Leatherback turtles do not have a shell; instead, they have __________.

a hide

Sea turtles eliminate salt through __________ in their salt glands above the eyes.

tears

The only marine lizard is the __________ of the Galapagos Islands.

iguana

Marine iguanas use their snout to graze on __________.

seaweed

Snakes are descendants of lizards that are __________.

limbless

Seabirds that feed on intertidal marine life include __________ and __________.

shorebirds; osryercatchers

Oystercatchers use long flattened bills to __________.

slice through molluscs, crush crabs, and pry limpets off rocks.

In terms of reproduction, males have two penises called __________.

hemipenes.

The incubation period for crocodile eggs is __________ days.

90

Green sea turtles are __________ while other sea turtles are __________.

herbivorous; carnivorous.

Crocodiles excrete salt through glands located on their __________.

tongues.

The __________ is the ventral surface of a sea turtle's shell.

plastron.

The __________ sac in amniotic eggs is where food is stored.

yolk

Reptiles are ectothermic, meaning they __________.

depend on external sources for body heat.

The integument of reptiles is primarily composed of __________.

scales made of keratin.

The primary method of locomotion for most reptiles is __________.

walking on four limbs.

Reptiles typically breathe using __________.

lungs.

The __________ is the outermost layer of the eggshell, providing protection.

shell membrane.

Some reptiles, like the __________, can change color for camouflage.

chameleon.

Many reptiles can regenerate their __________ after losing them.

tails.

Reptiles can be classified into two main groups: __________ and __________.

tuataras; squamates.

The temperature of the nest can determine the __________ of hatchling reptiles.

sex.

The adaptation of __________ allows reptiles to live in arid environments.

water-conserving excretory systems.

Reptiles have __________ skin, which helps prevent water loss.

dry, scaly

The ability to lay eggs on land is an important adaptation of __________.

reptiles

The __________ is the fluid-filled pocket in which the embryo floats in an amniotic egg.

amniotic cavity

Some reptiles like __________ use their forked tongue to detect chemicals in the environment.

snakes

Reptiles possess a __________ heart, which is more efficient than that of amphibians.

three-chambered

The largest species of turtle is the __________ turtle.

leatherback

To thermoregulate, reptiles often bask in the __________.

sun

Reptiles have __________ jaws that allow for a wide range of prey capture.

strong

The __________ is a structure in reptiles that aids in hearing low-frequency sounds.

columella

Some reptiles exhibit __________, allowing them to blend into their surroundings for protection.

camouflage

Reptiles such as crocodiles are considered __________ due to their parental care for offspring.

caring parents

The __________ is a bony structure on top of the turtle's shell that provides additional protection.

carapace

Reptiles primarily reproduce through __________, which is external in some species.

eggs

Some reptiles, like the __________, can regenerate lost limbs or tail segments.

newt

Certain reptiles have unique adaptations like __________ to survive in extreme environments.

behavioral thermoregulation

The __________ is a critical factor affecting the development of reptile embryos in eggs.

temperature