abdomen, adj (4)
anchor, v (1)
aperture, n (2)
bat, n (2)
bilateral, adj (3)
binucleate cell (2)
burrow n, v (4)
burst, v (2)
carnivore, n (4)
cartilage, n (4)
cavity, n (3)
complex, adj (3)
comprise, v (1)
conspicuous, adj (3)
dead-end, n (3)
degenerate, v (2)
dense, adj (2)
derive, v (3)
device, n (1)
differentiate, v (3)
discharge, v (2)
dormant, adj (1)
duckweeds, n (2)
egg, n (2)
elaborate, adj (3)
erosion, n (1)
evaporation, n (4)
exception, n (1)
excrete, v (3)
expenditure, n (3)
feather, n (4)
feature, n (4)
fertilization, n (2)
formerly, adv (2)
gamete, n (3)
germinate, v (1)
gill, n (3)
hatch, v (4)
herbivore, n (4)
identify, v (4)
insect, n (2)
jaw, n (4)
lag behind, v (2)
locomotion, n (3)
longevity, n (2)
medium, n (3)
migrate,v (2)
moist, n (4)
| oak, n (1)
obscure, adj (3)
outermost, adj (1)
ovule, n (2)
patch, n (2)
perception, n (4)
possession, n (1)
principal, adj (1)
prominent, adj (1)
protect, v (1)
provide, v (4)
reduce, v (4)
require, v (3)
rival, v (2)
scavenger, n (4)
scrape, v (1)
seed, n (2)
sessile, adj (3)
shrubs, n (2)
simultaneous, adj (2)
soil, n (1)
steep, adj (1)
suspend, v (3)
terrestrial, adj (3)
texture, n (2)
tip, n (1)
tremendous, adj (1)
twig, n (1)
undergo, v (1)
view, v (3)
yolk, n (4)
accompanied by (1)
at the same time (2)
at this stage (2)
control over something (3)
develop into (1)
drop/fall off (1)
give rise to (1)
in comparison with (4)
in proportion to (4)
more or less (2)
rely (up)on (3)
rival something (4)
take place (2)
way of life (3)
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