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4 everyone could sit this between 15–30 May; whether humanity passes is another question
KLIMAATEXAMEN
6 tumbling over one another in the hope of a lift (genus)
CAENORHABDITIS
7 secret weapon against sleep deprivation; orang-utans use it too
POWERNAP
9 first discovered by a Dutch person; primordial bird
ARCHAEOPTERYX
11 thwarts young people’s love of nature; scores unrealistically high on cute characteristics
TEDDYBEER
12 presumed colour of early mammals
DONKERBRUIN
14 form of DNA; does not strangle trees (species addition)
HELIX
15 is on the warpath in the food industry
NOWASTEARMY
18 mates in confined spaces; can also manage perfectly well without blood (subspecies designation)
MOLESTUS
21 had to relinquish its genus monopoly following a taxonomic revision
GIRAFFE
25 green influencer in a herby corner
CRUYDTHOECK
26 showed off with others’ feathers, behaved in a sexist manner … and died (surname)
WATSON
28 broke all the rules by writing in the first person nonetheless (surname)
VANMAANEN
30 remarkable and charming flower form; studied by an Olympics fan
ENANTIOSTYLIE
32 hotbed of itching; possibly lying low
EIKENPROCESSIERUPS
34 the best ones don’t come from Tyrol, but from the rainforests of South America
JODELAARS
36 synthetic copy of a protein hormone; popular among the stars
SEMAGLUTIDE
37 a fun puzzle every turn; yields little botanical knowledge
BOTANICUS
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1 victim of intimate orca contact
ZEEWIER
2 makes you fabulously fat
ZWAREBOTTEN
3 watched David Greybeard use tools; died (surname)
GOODALL
5 unmasked by the editor-in-chief of Bionieuws
GALAPAGOSTOMAAT
8 finds comfort in a light bulb; of purple colour (subspecies designation)
PURPUREUS
10 started in a back garden, has now moved to Lauwersoog
ZEEHONDENOPVANG
13 plagued people long before rats and cockroaches did
BEDWANTS
16 asked the Bionieuws editorial team to write CRISPR and RNA with capital letters (surname)
VANDEROOST
17 dies after three plastic sugar lumps
PAPEGAAIDUIKER
19 saves energy by letting its brain shrink
SPITSMUIS
20 has been searching for his favourite arthropods in art for thirty years (surname)
DICKE
22 the main reason for NIBI membership
BIONIEUWS
23 silent partner of taxidermists; evolutionary biologist
DARWIN
24 turns into a monstrous kidnapper when bored
KAPUCIJNAAP
27 sets The Hague and Wageningen at loggerheads
WOLF
29 caused billions of deaths on the seabed along the North American coast (genus)
VIBRIO
31 drove sloths up into the trees
MENS
33 grunts like a tennis player
SPECHT
35 untraceable for the Jumbo telephone operator; a species of fish
ELFT
38 undergoes metamorphosis; sheds its plastic
BIONIEUWS