Bees 🐝
The animals that reproduce by laying eggs are called:
Oviparous.
Mention some oviparous animals.
Birds, reptiles, and fish.
There are a lot of fish and plants; it has flowing fresh water.
River
In an ecosystem there are only living things. Is it true or false?
False
What's heavier, 1 kg of feathers or 1 kg of iron?
They weight the same
Plants can live in any ecosystem. Is it true or false?
True
In humans, when does the reproductive system mature?
It matures during puberty.
What are the stages of life?
Childhood, adolescence, maturity, and old age.
How many types of pollination are there?
There are two. Self-pollinate and cross-pollinate.
In this ecosystem it rains a lot; there are a lot of animals and plants.
Forest
An example of a human actions that harms or destroys the ecosystems is:
The pollution of the atmosphere, rivers, and oceans.
Some human actions that protect cosystems.
Protecting animals and planting trees in a forest.
It is the union of two cells; the spermatozoid and the ovum.
Fertilization
It is a very cold ecosystem; there are few plants and animals
Tundra
It's a radical change from larva to adult in an invertabrate.
Matamorphosis.
It is the transfer of pollen from the male part to the female part of flowers
Pollination
It is a community of living and nonliving things that live in and interact in a specific area.
Ecosystem
It's an uncontrolled fire that burns in woods and forests.
Forest fire.
What is the process that results in identical twins being born?
They come from one fertilized egg that splits in two.
Animals, plants, algae, and fungi are:
Biotic factors.
What are abiotic factors?
Abiotic factors are the nonliving parts of an ecosystem,
What are the different types of biomes?
Warm, temperate, and cold zones.
This means that the young develops inside a mother’s uterus during pregnancy.
Viviparous.
Here is very hot; it rarely rains; there are few animals and plants
Desert
What is the name for twins that are not identical?
Fraternal twins.
It is the stage of human development from birth to about the age of twelve.
Childhood.
What climatic zones are there?
Tropical, polar, temperate, arid, and mediterranean.
What different biomes occur in the temperate zone?
Chaparral, temperate forest, and prairies.
The pollen comes from another plant, carried by the wind or certain animals.
This is called cross-pollination.
What does matter consist of?
Particles
It is the amount of matter that a body has.
Mass
It is the stage of human development when the reproductive system matures.
Puberty
Mention the parts of an egg.
Shell, yolk, albumen, chalaza, and air cell.
The nonliving parts of an ecosystem never change. Is it true or false?
False
What are biotic factors?
Biotic factors are the living parts of an ecosystem.
How is mass measured?
Its unit of measurement is the kilogram.
How can we prevent a forest fire?
Only light fires in places where they are permitted.
They are the visible physical characteristics that develop from puberty onward.
Secondary sexual characteristics.
It is a group of ecosystems that share a similar climate and types of plants and animals.
A biome
It is any substance that has mass and takes up space.
Matter
It is the measurement of the pull of gravity on a body.
Weight
Name the stages of life of invertebrates.
Egg, larva, pupa, and adult.
Give some examples of secondary sexual characteristics.
Deeper voice in men and wide hips in women.
How many kinds of plant reproduction are there?
Sexual and asexual reproduction.
Soil, air, water, temperature, wind, humidity, are:
Abiotic factors
What different biomes occur in the polar zone?
Tundra and boreal forest.
What different biomes occur in the arid zone?
Desert and savannah.
It is the space that a body occupies.
Volume.
Give the definition of body.
A body is a definite collection of matter.
How does a plant reproduce through asexual reproduction?
Through the stem or leaves.