There are 3 factors which are; temperature, pressure and concentration.
False, most of the nutrients are absorbed in our stomach. The intestines are mainly for waste.
The Fetal Stage
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Answer:
<u>stonewort, and many green algae such as the Spirogyra.</u>
Explanation:
- As it was believed that the land algae were believed to be evolved from the stonewort plant and the blue-green algae like the cyanobacteria and the spirogyra that colonized the lands some 500 mn years ago was a freshwater alga.
- After which the first land plants occur about 470 million years ago, and they were in the form s of moss and liverworts of the vascular in origin.
Answer: Animals excrete water by respiration and by passing urine.
