🧬 Cells and DNA
This is the brain of the cell that holds DNA.
nucleus
These warm-blooded animals have fur and feed milk to their babies.
mammals
This gas is what humans breathe in to stay alive
Oxygen
This is how plants make food using water, air, and sunlight.
photosynthesis
This is a place where a specific animal naturally lives and grows.
habitat
This part of the cell makes energy and is called the powerhouse
mitochondrion
These cold-blooded animals spend their youth in water and adulthood on land.
amphibians
This system includes your bones and gives your body its shape
skeletal system
This part of the plant grows underground to soak up water.
Root
This word describes a type of animal that has completely died out
extinct
This is the green ingredient plants use to catch sunlight.
chlorophyll
This is the only mammal that is able to fly.
Bat
This organ pumps blood to the rest of your body
Heart
This yellow powder is moved by bees to help plants make seeds.
Pollen
This scientist came up with the theory of evolution by natural selection.
Charles Darwin
This shape describes a DNA molecule, which looks like a twisted ladder
double helix
These animals do not have a backbone.
invertebrates
This is the largest organ on the human body
Skin
These are the tubes in a plant that carry water upward from the roots.
xylem
This is an animal that only eats plants
Herbivore
This is the process where a cell divides into two identical cells.
mitosis
This is the largest mammal alive on Earth today.
blue whale
These tiny blood vessels connect your arteries to your veins.
capillaries
These types of trees keep their leaves all year long
evergreens (or conifers)
This is a helpful trait that an animal develops to survive in its environment
adaptation