Space
This is the name of the star that is closest to Earth
What is the Sun?
The number of seasons in a year.
What is four?
This is where blood cells are made.
What is red marrow?
All living things are made of one or more cells, according to this theory.
What is the cell theory?
This type of plant lacks specialized tissues for transporting water and nutrients.
What are nonvascular plants?
This is what we call the imaginary line around which Earth spins
What is the axis?
A "nearly" equal amount of daylight and darkness at all latitudes. The last one happened on Mar 21, 2023.
What is the equinox?
The ends of bones are covered with this smooth, slippery, thick layer of tissue
What is cartilage?
If you see a cell wall, choloroplasts or cholrophyll, you are looking at this cell.
What is a plant cell?
These are the group of plants which produce flowers.
What are angiosperms?
This forms when light hits an object and the object stops the light from going further?
What is a shadow?
In this season the number of hours of darkness would be greater than the number of hours of daylight
What is winter?
The three types of muscle tissue.
What are skeletal, cardiac and smooth?
Scientists have grouped cells into these major two types.
What are eukaryotic and prokaryotic cells?
Seedless plants grow from these.
What are spores?
The amount of time it takes the Earth to make one revolution around the Sun
What is a year?
It is the main cause of the seasons.
What is the Earth´s tilt?
The brain and the spinal cord form this.
What is the central nervous system?
This type of cell of has no nucleus or organelles.
What are prokaryotic cells?
The male reproductive organ of a flower.
What is the stamen?
This is what the Moon revolves around
What is the Earth?
Light from the Sun and other wide sources cast shadows with two distinct parts during solar eclipses.
What are the umbra and penumbra?
The small gap between the axon of one neuron and the dendrite of another neuron is called this.
What is the synapse?
The five levels of organization starting with the smallest.
What are cells, tissues, organs, organ system and the organism?
A banana is not a fruit, but is actually this.
What is a berry?