Answer: 1 and 3
Explanation:
Sources of water: plants need water for certain cellular processes especially PHOTOSYNTHESIS. Otherwise, it Will not produce food and then die. So, first land plants need Sources of water.
Dessication: refers to drying up of plants tissues DUE to LACK of water. First land plant are most likely to suffer dessication.
Other options are NOT specific to first land plants
It’s the third one. Increased average temps
<u>Answer</u>:
Cancer cells can reproduce rapidly because they spend less time in interphase.
<u>Explanation</u>:
Due to the new faults in the gene and mutations cancer cell results in faster growth. And also can spread all over the body. So as become resistant to the treatments. Cancer cells avoids the signals and keep on destroying the body cells. They never undergo apoptosis when should go, so they are referred as the immortals. These cells use body’s protein and fat as fuel to undergo their processes in the absence of sugar. Excess sugar also acts as fuel for the growth of the cancer cells.
I think only twice but I'm not for sure
Answer:
Many human and physical factors affect population distribution and population density across the world. Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy.