Let me try to break this down as simply as I can: diurnal (active during the day time) reptiles like the bearded dragon require 3 types of "light," UVA, UVB, and heat.
1	Let	let	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	0:root	_
2	me	I	PRON	PRP	Case=Acc|Number=Sing|Person=1|PronType=Prs	1	obj	1:obj|3:nsubj:xsubj|5:nsubj:xsubj	_
3	try	try	VERB	VB	VerbForm=Inf	1	xcomp	1:xcomp	_
4	to	to	PART	TO	_	5	mark	5:mark	_
5	break	break	VERB	VB	VerbForm=Inf	3	xcomp	3:xcomp	_
6	this	this	PRON	DT	Number=Sing|PronType=Dem	5	obj	5:obj	_
7	down	down	ADP	RP	_	5	compound:prt	5:compound:prt	_
8	as	as	ADV	RB	_	9	advmod	9:advmod	_
9	simply	simply	ADV	RB	_	5	advmod	5:advmod	_
10	as	as	SCONJ	IN	_	12	mark	12:mark	_
11	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	12	nsubj	12:nsubj	_
12	can	can	AUX	MD	VerbForm=Fin	9	advcl	9:advcl:as	SpaceAfter=No
13	:	:	PUNCT	:	_	1	punct	1:punct	_
14	diurnal	diurnal	ADJ	JJ	Degree=Pos	22	amod	22:amod	_
15	(	(	PUNCT	-LRB-	_	16	punct	16:punct	SpaceAfter=No
16	active	active	ADJ	JJ	Degree=Pos	14	appos	14:appos	_
17	during	during	ADP	IN	_	20	case	20:case	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	_
19	day	day	NOUN	NN	Number=Sing	20	compound	20:compound	_
20	time	time	NOUN	NN	Number=Sing	16	obl	16:obl:during	SpaceAfter=No
21	)	)	PUNCT	-RRB-	_	16	punct	16:punct	_
22	reptiles	reptile	NOUN	NNS	Number=Plur	27	nsubj	27:nsubj	_
23	like	like	ADP	IN	_	26	case	26:case	_
24	the	the	DET	DT	Definite=Def|PronType=Art	26	det	26:det	_
25	bearded	bearded	ADJ	JJ	Degree=Pos	26	amod	26:amod	_
26	dragon	dragon	NOUN	NN	Number=Sing	22	nmod	22:nmod:like	_
27	require	require	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	1:parataxis	_
28	3	3	NUM	CD	NumForm=Digit|NumType=Card	29	nummod	29:nummod	_
29	types	type	NOUN	NNS	Number=Plur	27	obj	27:obj	_
30	of	of	ADP	IN	_	32	case	32:case	_
31	"	"	PUNCT	``	_	32	punct	32:punct	SpaceAfter=No
32	light	light	NOUN	NN	Number=Sing	29	nmod	29:nmod:of	SpaceAfter=No
33	,	,	PUNCT	,	_	29	punct	29:punct	SpaceAfter=No
34	"	"	PUNCT	''	_	29	punct	29:punct	_
35	UVA	uva	NOUN	NN	Number=Sing	29	appos	29:appos	SpaceAfter=No
36	,	,	PUNCT	,	_	37	punct	37:punct	_
37	UVB	uvb	NOUN	NN	Number=Sing	35	conj	29:appos|35:conj:and	SpaceAfter=No
38	,	,	PUNCT	,	_	40	punct	40:punct	_
39	and	and	CCONJ	CC	_	40	cc	40:cc	_
40	heat	heat	NOUN	NN	Number=Sing	35	conj	29:appos|35:conj:and	SpaceAfter=No
41	.	.	PUNCT	.	_	1	punct	1:punct	_
