Bears
The animals that reproduce by laying eggs are called.
Oviparous.
What are the stages of life?
Childhood, adolescence, maturity, and old age.
Is a very cold ecosystem; there are few plants and animals
Tundra
What are abiotic factors?
Abiotic factors are the nonliving parts of an ecosystem,
Is the stage of human development from birth to about the age of twelve.
Childhood.
In an ecosystem there are only living things.
TRUE OR FALSE
false
Some human actions that protect cosystems.
Protecting animals and planting trees in a forest.
Mention the parts of an egg.
Shell, yolk, albumen, chalaza, and air cell.
Is any substance that has mass and takes up space.
Matter
What are biotic factors?
Biotic factors are the living parts of an ecosystem.
Mention some oviparous animals.
Birds, reptiles, and fish.
How many kinds of plant reproduction are there?
Sexual and asexual reproduction.
It is a community of living and nonliving things that live in and interact in a specific area.
Ecosystem
Is the amount of matter that a body has.
Mass
Plants can live in any ecosystem. TRUE OR FALSE
True
Some human actions that harm or destroy ecosystems are:
The pollution of the atmosphere, rivers, and oceans.
Is the transfer of pollen from the male part to the female part of flowers
Pollination
Give the definition for body.
A body is a definite collection of matter.
Is the space that a body occupies.
Volume
In humans, when does the reproductive system mature?
It matures during puberty.
What is the process that results in identical twins being born?
They come from one fertilized egg that splits in two.
It's an uncontrolled fire that burns in woods and forests.
Forest fire.
What climatic zones are there?
Tropical, polar, temperate, arid, and mediterranean.
Is the measurement of the pull of gravity on a body.
Weight
What are the different types of biomes?
Warm, temperate, and cold zones.