The animals that reproduce by laying eggs are called:
Oviparous
Mention some oviparous animals.
Birds, reptiles, and fish.
What is the process that results in identical twins being born?
They come from one fertilized egg that splits in two.
There are a lot of fish and plants; it has flowing fresh water.
River
What is the name for twins that are not identical?
Fraternal twins.
What climatic zones are there?
Tropical, polar, temperate, arid,
and mediterranean
An example of human actions that harm or destroy ecosystems is:
The pollution of the atmosphere, rivers, and oceans.
Some human actions that protect ecosystems.
Protecting animals and planting trees in a forest.
It's a radical change from larva to adult in an invertabrate.
Metamorphosis
In this ecosystem it rains a lot; there are a lot of animals and plants.
Forest
What's the percentage of Fresh water on Earth?
3%
It is a group of ecosystems that share a similar climate and types of plants and animals.
A biome
What are the different types of biomes?
Warm, temperate, and cold zones.
It's an uncontrolled fire that burns in woods and forests.
Forest fire.
It is a very cold ecosystem; there are few plants and animals
Tundra
It is the space that a body occupies.
Volume
How does a plant reproduce through asexual reproduction?
Through the stem or leaves.
What are the types of adaptation in animals?
Movement, teeth and diet, body coverings, sefl-protection
It is any substance that has mass and takes up space.
Matter
How can we prevent a forest fire?
Only light fires in places where they are permitted.
How much water is there on Earth?
Three-fourths
What does matter consist of?
Particles
It is the amount of matter that a body has.
Matter
It is the transfer of pollen from the male part to the female part of flowers
Pollination
What's the percentage of Salt water on Earth?
97%
The nonliving parts of an ecosystem never change. Is it true or false?
FALSE
What type of teeth do herbivores animals have?
Large teeth and flat molars.
It is the stage of human development from birth to about the age of twelve.
Childhood.
Animals, plants, algae, and fungi are:
Biotic factors.
It is the measurement of the pull of gravity on a body.
Weight
Mention the parts of an egg.
Shell, yolk, albumen, chalaza, and air cell.
What's heavier, 1 kg of feathers or 1 kg of iron?
They are the same.
Soil, air, water, temperature, wind, humidity, are:
Abiotic factors.
What are the three stages of water?
Solid, liquid and gas.
What are the stages of life?
Childhood, adolescence, maturity, and old age.
Give the definition of body.
A body is a definite collection of matter.
It is a community of living and nonliving things that live in and interact in a specific area.
Ecosystem
This means that the young develops inside a motherβs uterus during pregnancy.
Viviparous.
What different biomes occur in the temperate zone?
Chaparral, temperate forest, and prairies.
How is mass measured?
Its unit of measurement is the kilogram.
Here it is very hot; it rarely rains; there are few animals and plants
Desert
In an ecosystem there are only living things. Is it true or false?
What different biomes occur in the polar zone?
Tundra and boreal forest.
What are biotic factors?
Biotic factors are the living parts of an ecosystem.
Number the stages of life of invertebrates.
Egg, larva, pupa, and adult.
Plants can live in any ecosystem. Is it true or false?
True
What different biomes occur in the arid zone?
Desert and savannah.
What are abiotic factors?
Abiotic factors are the nonliving parts of an ecosystem,
How many types of pollination are there?
There are two. Self-pollinate and cross-pollinate.
What are the three stages of water?
Solid, liquid and gas