History of life documented by fossils
is there any answer choices
By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth. There are gaps in the fossil record because many early forms of life were soft-bodied, which means that they have left few traces behind. This is why scientists cannot be certain about how life began.
Answer:
Ordered internal structure" means that the atoms in a mineral are arranged in a systematic and repeating pattern.
Explanation: they arranged and repeating pattern go see for urself its right and i need help but its ok cause i dont know what grade are u but go check im typing alot..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Answer/Explanation:
b) kidney and bladder
Kidneys are the main organ in the excretory system and the bladder stores the urine in the body. These are two of the organs that make up the excretory system.
