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How do you call animals that are born from theirmothers’ womb.
Viviparous.
It's a radical change from larva to adult in an invertabrate.
Matamorphosis.
It is a group of ecosystems that share a similarclimate and types of plants and animals.
A biome
What does matter consist of?
Particles
Is any substance that has mass and takes up space.
Matter
There are a lot of fish and plants; ithas flowing fresh water.
River
It is the union of two cells, the spermatozoid and the ovum.
Fertilization
In this ecosystem it rains a lot;there are a lot of animals and plants.
Forest
It is very hot; it rarely rains; thereare few animals and plants
Desert
It is very cold ecosystem; there arefew plants and animals
Tundra
Soil, air, water, temperature, wind, humidity, are:
Abiotic factors.
It is the stage of human development from birth to about theage of twelve.
Childhood
It is the stage of human development when the reproductivesystem matures.
Puberty
It's an uncontrolled fire that burnsin woods and forests.
Forest fire.
It is the transfer of pollen from the male part to the female partof flowers.
Pollination
What is the name for twins that are not identical?
Fraternal twins
Mention some oviparous animals.
Birds, reptiles, and fish.
What different biomes occur in thearid zone?
Desert and savannah.
What different biomes occur in the polar zone?
Tundra and boreal forest.
Animals, plants, algae, and fungi are:
Biotic factors.
What are the stages of life?
Childhood, adolescence,maturity, and old age.
These are visible physical characteristics that develop from puberty onward.
Secondary sexual characteristics.
How many kinds of plant reproduction are there?
Sexual and asexual reproduction.
How many types of pollination are there?
There are two. Self-pollinateand cross-pollinate.
What are the different types of biomes?
Warm, temperate, and cold zones.
Number the stages of life of invertebrates.
Egg, larva, pupa, and adult.
Mention the parts of an egg.
Shell, yolk, albumen, chalaza, and air cell.
In humans, when does the reproductive system mature?
It matures during puberty
How does a plant reproduce through asexual reproduction?
Through the stem or leaves.
How is mass measured?
Its unit of measurement is thekilogram.
What is an omnivore?
An animal that eats both plants and animals.
What is the process that results in identical twins being born?
They come from one fertilized egg that splits in two.
Give the definition for body.
A body is a definite collection of matter.
What is the atmosphere?
The layer of gases surrounding Earth.
Give some examples of secondary sexual characteristics.
Deeper voice in men and wider hips inwomen.
Some human actions that protect ecosystems.
Protecting animals and planting trees in a forest.
How can we prevent a forest fire?
Only light fires in places where they are permitted.
What is volume?
Is the space that a body occupies.
What is mass?
The amount of matter in anobject.
What different biomes occur in the temperate zone?
Chaparral, temperate forest, and prairies.
What is an ecosystem?
It is a community of living and nonlivingthings that live in and interact in a specific area.
Describe the process of cross-pollination
The pollen comes from another plant,carried by the wind or certain animals.
What climatic zones are there?
Tropical, polar, temperate, arid, andmediterranean.
What are abiotic factors?
Abiotic factors are the nonliving parts of an ecosystem,
What are biotic factors?
Biotic factors are the living parts of anecosystem.
What is weight?
The force of gravity acting on anobject's mass.
What do producers do in an ecosystem?
Make their own food through photosynthesis.
What is the main function of the respiratory system?
To take in oxygen and releasecarbon dioxide.
Some human actions that harm or destroy ecosystems are:
The pollution of the atmosphere,rivers, and oceans.
What are consumers in an ecosystem?
Organisms that eat other livingthings.