Answer:
birds
Explanation:
I found a quizlet online with the answer:^
Answer:
White blood cells ↓
These are donut-shaped cells that are similar to red blood cells, and do have a similar duty, yet are larger.
Answer:
Biodiversity is important because it boosts an ecosystems productivity where each species, no matter how small, all have an important role to play.
Explanation:
Answer: prokaryotes (single celled micro-organisms/microbes)
Explanation: The first living things on Earth, single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have first appeared on Earth almost four billion years ago, just a few hundred million years after the formation of the Earth itself.
