zoology #2

Cows kill more people a year than sharks.

True

Sharks can detect very small amounts of electricity that are given off by other animals, including human beings.

True

Some examples of animals in the Underforest are frogs, toucans, and many species of snakes.

True

Sponge eggs move with the ocean currents until they "find a home", where they anchor down.

True

The octopus is one of the most intelligent animals in the Animal Kingdom according to scientists.

True

The skin of seals, sea lions, and walruses is designed so that the outer layer remains at core body temperature as the inner layer holds in the body heat.

True

The tongue of a Blue Whale actually weighs more than a full grown elephant; these whales are the largest mammals on Earth.

True

Vertebrates are animals with a backbone.

True

These marine mammals can stay submerged for up to 15 minutes, and they seldom dive below 20 feet:

dolphins

The top most layer of the rainforest is:

emergent

Sponges are hermaphrodites that produce eggs exclusively.

False

Sponges are primarily found in freshwater.

False

The nurse shark is the largest shark in the world at 45 to 50 feet long, weighing in at a whopping 47,000 pounds.

False

The trees and plants add massive amounts of water back into the atmosphere through evaporation.

False

Tropical Rainforests are more scarce, much cooler, and smaller in size, than Temperate Rainforests.

False

Whales and dolphins feed their young by hunting small fish for them to eat.

False

You are far more likely to be bitten by a shark than struck by lightning.

False

Briefly explain how sloths defend themselves from predators.

They can camouflage themselves into the trees. They are also excelent swimmers.

Give two examples that illustrate the high intelligence of the octopus.

They can solve problems 2. They can open a lid on a container

Briefly explain how sharks help maintain the balance in an ecosystem.

They eat injuried or sick fish. It helps so that new fish can grow.

What characteristics do sea otters have that keep them warm in the cold ocean waters they inhabit?

They have a fat layer. They also have thick and dense fur.

Explain the adaptations that dolphins and whales have that allow them to stay under water for long periods of time, and that allow them to dive deep in the ocean.

They have special lungs and larger blood vessels.

What characteristics in body structure do dolphins and whales have that allow them to swim quickly and move efficiently through the water?

They have very large blood vessels. They have bodies shaped like fish. They have specialized lungs to help them breath under water.

In addition to the structures found in a human eye, sharks also have one additional structure that allows them to see in the dark waters of an ocean. Briefly explain what that structure is and how their eyes allow them to see in those dark waters.

They large eyes, lens, cornea, retina, rods, cones, iris's, and pupils.

Briefly explain what happens to the shell as a decorator crab grows in size.

They shed to a bigger size. It removes some of the old decoration from the old shell to the new one.

Explain how a shark's senses allow them it locate prey in the vast waters of the ocean.

They use small amounts of electricity. They use acute hearing. They can detect vibration.

Fifty to eighty percent of moisture remains in the water cycle within a rainforest biome.

True

Invertebrates make up 97% of the animals in the Animal Kingdom.

True

Like a chameleon, the octopus has pigment cells in its skin along with some very specialized muscles.

True

Medicines treating fungal infections, burns, fever, pain, respiratory illnesses, pain, and even the treatment of wounds are obtained from plants found in the rainforest.

True

Organic matter decomposes at a rapid rate on the floor of the rainforest.

True

Over half of the world's marine mammal species live right within the territorial waters of the United States.

True

Rainforests are home to over 50% of all plants and animals found on our planet.

True

Scientists have recorded approximately 125 different species of marine mammals living in the oceans of the world.

True

Sea otters are actually a part of the weasel family of animals.

True

Seals, sea lions, and walruses lumber around on land, but they can swim anywhere from 6 to 18 mph in the ocean.

True

Shark fins are as unique to each individual shark as fingerprints are to human beings.

True

Sharks are at the very top of the food chain in a Marine Biome.

True

There are two types of rainforests, tropical and temperate.

True

Whales can stay submerged for up to two hours before surfacing for air; and they can dive to depths of 3,900 feet or more.

True

Besides having cartilage, rather than a boney skeleton, what other characteristics do Chondrichthyes or cartilaginous fish share?

Two chambered heart, moveable jaw, nostrils, etc.

Animals without a backbone:

invertebrates

They are the largest big cat in the rainforest and rank the third largest in the world of all big cat species.

jaguar

Select 3 big cat species found in rainforests.

jaguars leopards tigers

Sea otters are a keystone species helping to preserve the delicate balance of the

kelp forests

The term for a species that has a critical impact on the health of an ecosystem:

keystone species

The largest species of the dolphin family

killer whales

A warm blooded animal vertebrate animal that has hair or fur, breathes air, gives birth to live young, and creates its own milk to feed their young:

mammal

Milk producing glands in mammals:

mammary glands

It is the largest shark ever to have in habited this planet:

megalodon

Specialized structures in the tentacles of Cnidarians containing a barbed, threadlike tube filled with toxins that kill or stun prey stung by them:

nematocysts

Tiny pincer-like structures that are used by sea urchins to sting and capture their prey:

pedicellarines

One of the longest living animal on the earth is the

red sea urchin

They are one of the smallest marine mammals found in the ocean.

sea otters

These odd, but beautiful marine animals are part of the class called Gastropod:

sea slug

An animal fixed in one place, immobile:

sessile

Tiny Velcro-like hooks on the shell of a decorator crab.

setae

What are the three ways sharks can give birth to their young?

spawn lay eggs nourishing through ambilicols cord

Flexible protein material that helps sponges maintain their shape:

spongin

The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere:

transpiration

Rainforests have the greatest biodiversity of any other biome on our planet.

true

Some sharks have been hunted nearly to extinction simply to get their fins, which are then sold.

true

Very little sunlight reaches this layer and as a result the plants have large, flat leaves:

understory

These marine mammals have specialized lungs that can store large amounts of oxygen:

whales

The lowest level of the rainforest: forest floor:

. forest floor

Jellyfish have pedicellarines to help them sting and catch their prey.

False

Marine mammals are only found in the warmer waters of the Pacific and Atlantic Oceans.

False

The trees making this layer have dense foliage and many branches; they provide an abundance of food for the animals living in this layer

. canopy

Rainforests absorb oxygen from the atmosphere and replace it with carbon dioxide.

False

Scientists have also determined that sharks see in black and white.

False

Sea urchins have been nicknamed "sea wasps".

False

Fish whose skeletons are made up of cartilage rather than bone:

Cartilaginous Fish

The class of fish that are cartilaginous:

Chondrichthyes

All mammals give birth to live young and they produce milk through pituitary glands to feed them.

False

Bats are just one of the many mammals that can fly.

False

Briefly explain the purpose for the decorator crab taking items like shells, rocks, vegetation, soft corals, and even other marine animals like sponges to decorate its body.

It helps as a camouflage.

Why do sea otters make their homes in kelp forests?

It helps protect them from predators. Provides them an anchor to sleep.

How do the denticles on a shark's skin benefit the animal?

It is smooth so they can move more quietly and fast.

What might happen if we lost our rainforests due to deforestation?

The plants and animals would go extinct. Our air wouldn't be as clean.

Explain how rainforests help clean the air we breathe.

The trees absorbs carbon dioxide and replace it with oxygen.

What makes a shark's jaws, and bite, unique?

Their lower jaw moves first and then their upper jaw.

List 3 products you use or eat that come from the rainforest.

bananas avacodos oranges

The variety of life in the world; or in a particular ecosystem or biome:

biodiversity

What are two characteristics of marine mammals that help to keep them warm in the cold waters of our oceans?

body hair give milk to feed their young

Share three distinct characteristics that all mammals share

body hair or fur milk to feed their young mothers that nuture their young

Sponges are hermaphrodites that produce:

both eggs and sperm

This is the main layer of the rainforest and it acts like a roof over the last two layers:

canopy

A massive cutting down of trees in a forest:

deforestation

Small tooth-like projections on the skin of sharks:

denticles

Select 3 characteristics of fox bats.

digest and eliminate food in 20 minutes also called fruit batsThis answer is keen sense of smell and sight

Capable of maintaining a stable core body temperature, a warm blooded animal is:

endothermic

Vaporization of a liquid into a gas or vapor:

evaporation

Unable to maintain a stable core body temperature, for a cold blooded animal, the body temperature is the same as the temperature in its environment. Cold blooded animals are:

exothermic

An animal that use its body to trap food from the waters it lives in:

filter feeders

This layer is very dark and almost no sunlight reaches here:

forest floor

Which species of shark has the longest lifespan, nearly that of a human?

great white shark

An organism that produces both eggs and sperm:

hermaphrodite