Answer:
A. Fertilization
Explanation:
The development of a human being begins with fertilization, a process by which two highly specialized cells, the spermatozoon from the male and the oocyte from the female, unite to give rise to a new organism, the zygote.
It’s C ) Mitochondria-makes energy
Answer:
Plants release oxygen into the atmosphere during the process of photosynthesis. In photosynthesis, plants make their food in the presence of sunlight. Water is extracted from the soil and carbondioxode enters through stomata and combine in the leaves of plants make glucose and oxygen. Glucose is stored in different parts of plant body and oxygen is released into the atmosphere which is used by living organisms.
Answer:
This is because cell walls protect the cells and allow plants to grow to great heights.
Explanation:
Cells walls are made of a cellulose are only found in plant cells.
Answer:
1. All living things are composed of cells.
2. Cells are the basic units of structure and function for living things.
3. All cells come from pre-existing cells.
