Animals cells can be distinguish easily because they lack a cell wall unlike the fungal and plants cells.
Also, animals produce sexually while fungal and plants produce asexually.
May I know if you have to use every single work in the work bank?
Answer:
The appearance of free oxygen in the Earth's atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing oxygen which developed into multicellular forms as early as 2.3 billion years ago
Explanation:
To clarify what I said here are some questions to help!
How did oxygen first appear?
Whiffs in the air is how oxygen first appeared billions of years ago.
For the most part, scientists agree that oxygen, though lacking in the atmosphere, was likely brewing in the oceans as a byproduct of cyanobacterial photosynthesis as early as 3 billion years ago
When was oxygen found?
2.33 billion years ago
Since its first appearance 2.33 billion years ago, oxygen accumulated in high enough concentrations to have a weathering effect on rocks just 10 million years later.
I don't know if this helped you but if it does, please let me know!
Answer:
B. Falling transportation costs
Explanation:
that makes the most sense to me
Over all, it is a pretty good answer and very complete. I wouldn't say Kudzu "climbs", I suggest just to say it grows up on other plants and trees affecting them negatively by suffocating them.
Maybe you could explain a little bit more about the characteristics of the plant.
It is excellent how you say it is an agressive and competitor but I wouldn't compare it with a predator, maybe more with a parasite.
Answer:
Keratin is an important protein in the epidermis. Keratin has two main functions: to adhere cells to each other and to form a protective layer on the outside of the skin. In epithelial cells, keratin proteins inside the cell attach to proteins called desmosomes on the surface.
Explanation: