Answer:
G1-preparation for DNA replication
G2-preparation for mitosis
Explanation:
Cell cycle is a process that can be divided into two major phases: interphase and mitotic phase (division). Interphase is than subdivided into G1, S and G2 phases while mitotic phases consists of prophase, metaphase, anaphase and telophase.
Phases in interphase:
- G1 or Gap 1 is characterized by cell growth (cell becomes much larger), synthesis of molecules and organelles copying.
- S phase is characterized by DNA replication
- G2 phase or Gap 2 phase is phase in which cell makes more proteins and organelles and prepares for mitosis
The right answer is a difficult labor when she gives birth.
Millie does not have a risk of obesity since she practices regular physical activity,
Millie has no risk of becoming anorexic since she adapts a diet rich in vitamin and minerals.
Millie has suffered a bone growth delay due to malnutrition in her childhood, this may affect her labor of delivery when she is pregnant, since the bones at the uterus are not wide enough and clear, which reduces the size of the pelvis and cervix, and makes difficult the exit of the baby.
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1. Cenozoic - humans
2. Mesozoic - dinosaurs
3. Paleozoic - fishes & reptiles
4. Precambrian - unicellular organisms
Answer
Its marine animal.
Explanation
Cephalochorates are small marine animal with unique features like segmented body and have notochord which are from head to tail and persist through out the life of this animal .They are present in modern oceans in form of lencelets which is also called amphioxus. They have hollow dorsal nerve chord and gill slits. Unlike the other vertebrates the nerve chord is never replaced by vertebrae