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5.1.d Conquest of land

Across
Has profound effects on the nature of the land and distribution of plants and animals
Waxy layer on leaf to stop dehydration
The land environment
A primitive reptile
An upthrust or upward force
A primitive plant
The union of an egg and sperm inside the female body
Organ for taking in oxygen and expelling carbon dioxide in higher vertebrates
Transport tissue for water in plants and serves as strengthening tissue
A vertebrate group with two stages to their life cycle
Down
The union of an egg and sperm outside the female body
How easy something is to flow or move through
A group of simple plants. Mosses belong to this group
Fish use these to move and direct themselves
These cells regulate the flow of gas in and out of the stomate
A feature that an organism has that enables survival in its environment
A group of vertebrates. Truely terrestrial
A primitive amphibian
A pore in a plant leaf for gas exchange
An organ fish use to obtain oxygen from water