I believe the answer is c
Ecosystems, the interactive system of living and nonliving organisms in a specific location, CHANGE SLOWLY OVER TIME. When new plants and animals arrive in an area, they either thrive or struggle. Thriving species sometimes displace native species. When this happens, the system as a whole begins to change.
Answer:
he Euglena is a large genus with different species of unicellular protists. They have both plant and animal features. They are all motile by the flagella like animals.
Most of them have chloroplasts similar to algae.
Explanation:
