Well when writing a CER first you need to state your claim after stating your claim you need to support your claim with evidence from your sources and after that you need to give reasons on how your evidence supports your claim
 
        
             
        
        
        
The trees dont take in co2 cause there are none cutting off the oxygen cycle
        
             
        
        
        
Answer:
More than 8.7 million species are living on the planet. Every single species is composed of a cell and it includes both single-celled and multicellular organisms.
The cells provide shape, structure and carries out different types of functions to keep the entire system active. The cell contains different functional structures which are collectively called Organelles, and they are involved in various cellular functions.
Also Read: Difference between organ and organelle
Let us learn more in detail about the different types and functions of Cell Organelles.
Table of Contents
What are Cell Organelles?
List of Cell Organelles and their Functions
Plasma Membrane
Cytoplasm
Nucleus
Endoplasmic Reticulum
Mitochondria
Plastids
Ribosomes
Golgi Apparatus
Microbodies
Cytoskeleton
Cilia and Flagella
Centrosome and Centrioles
Vacuoles
A Brief Summary on Cell Organelles
 
        
             
        
        
        
There have be found some fossils of ancient remains over the years. What the fossils from Atapuerca revealed about the hominins living in Europe at this time is below:
- The Skull is known to show Interbreeding that took place with neandertals and their relatively healthy population.
- The Fragment shows that there was a possibility of cannibalism in that area.
It shows that possible cannibalism took place as there were Cutmarks on various hominin bones found at Atapuerca mirror.
 The relatively healthy population was found out through the study of the dentition of the Atapuerca hominins by anthropologists. It gave them a view into their diet and overall health. 
 The interbreeding with the Neandertals was shown through the Nuclear DNA that was gotten from bones and teeth of bones found at Sima de los Huesos
learn more from
 brainly.com/question/14012174
 
        
             
        
        
        
Answer:
There is little to no sunlight in the aphotic zone.
Explanation:
The aphotic zone is the deepest part of a lake/ocean, so no light is able to penetrate into those depths. Without light, photosynthetic organisms will not be able to undergo photosynthesis and will therefore not be able to survive.