| ARBOREAL | Sloths are ___, which means its habitat is made up of trees and branches |
| DIURNAL | Two-toed sloths are nocturnal, being most active at night. While three-toed sloths are ___ which means they are most active during the day |
| ASSART | In British legal history, a piece of forest land cleared or reclaimed for arable use; or, the act or offence of grubbing up of trees and bushes (6) |
| DIRTY | "This shirt is dry-clean only, which means it's ___": Mitch Hedberg |
| VIVIPAROUS | They are ___ which means they give birth to live young. |
| BETHATASITMAY | Steamy habitat is developed? It's of no importance |
| AXOLOTL | Critically endangered amphibian species whose only natural habitat is Mexico City's Lake Xochimilco |
| WEBBED | Their feet are ___ which helps with swimming. |
| EAR | Attention put on avian habitat is serious |
| SYNANTHROPES | Squirrels are known to be ___ which means they thrive in human environments and get benefits from them. |
| SEVENDEADLYSINS | Envy, lust and sloth are examples of this traditional set of wrongs (5,6,4) |
| OIL | Petrels produce a stomach ___ which is made up of wax esters and triglycerides that is stored and used as an energy rich food source for the adults during their long flights |
| LIMESTONE | Sedimentary rock of calcium carbonate, much of Mallorca is made up of it and is the reason for the island's many cave systems (9) |
| MOSAIC | Method of working so a piece, oddly, is made up of lots of bits and pieces |
| TWIGLOOS | Informal word for ecowarriors' leafy shelters set up in boughs and branches of trees during protests (8) |
| UPSIDE | Sloths are slow-moving, nocturnal creatures that spend almost their entire life ___ down in the trees |
| GOLDEN | The insect Synemon plana, one of Australia's most endangered insect species due to the loss of its habitat |
| GOLDENSUNMOTH | The insect Synemon plana, one of Australia's most endangered insect species due to the loss of its habitat |
| DEADLY | Pride, envy, gluttony, lust, anger, greed and sloth are this kind of sin |
| PITH | Central core of unspecialised parenchyma cells in the stems and branches of many plants; the medulla (4) |