Answer:
First order consumer: the first step in the food chain; they eat the producers
Explanation:
These organisms are usually herbivores. They eat the producers (plants).
D, active transport because that protein uses atp to cross channels and active transportation is the only form of movement that’s used atp to move
I believe the answer id Cnidaria
Air polution can cause things such as asthma, lung cancer, and many other things. air polution could also cause headaches, dizziness, nausea, and more.
Answer:
In explanation.
Explanation:
Gregor Mendel formulated his laws of heredity in 1860 before...
-The structure of DNA was known, the existence of chromosomes and genes were known and the mechanisms which create variation in offspring were known.
If your quiz is like this:
Question: Gregor Mendel formulated his laws of heredity in 1860 before ________.
A). The structure of DNA was known.
B). The existence of chromosomes and genes was known.
C). The mechanisms which create variation in offspring were known.
D). All of the choices above are correct.
E). An understanding of mitosis and meiosis was known.
The correct answer is the "D" because yes after Gregor Mendel formulated his laws of heredity in 1860 the structure of DNA was known, the existence of chromosomes and genes were known and the mechanisms which create variation in offspring were known. (Referring that A, B, and C are correct).
Hope this helps.
