Answer:
i could be wrong im sorry but i think the test variable would be the light and dark environments and the outcome would be if they survived.
Explanation:
The structural feature of a spermatozoon containing mitochondria arranged in a spiral around the microtubules is the sperm neck. The spermatozoon functions to carry genetic material from the body of a male. It consists of two major parts which are the head and the tail. It is in the tail that the neck is found. This part is a constricted and a short segment. At least two mitochondria can be found in this portion.
Answer:
1. Decomposition: decaying; rotting
2. Fungi: plant-like organisms
3. Nodule: the enlargement on the root
4. Rhizobium: the group of bacteria
Explanation:
N/A