Which statement best describes the earliest ancestors of plants?
a. they had no competition.
b. they were vascular.
c. they had seeds.
d. they lived in water.

They lived in water.

Explanation:

The earliest ancestors of plants lived in water. Having seeds, having no competition and and having seeds are modern characteristics of the plants.

The earliest characters of the plants is that they lived in the water. Previously the planet was covered with water and the plants was limited up to water only.

They needed water for fertilization. After a long-long time they moved towards land and angiosperm and gymnosperm evolved.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

idk and i also need to know where are those bio brainy acts lol