What do we already know about spiders?

Page 1 <img data-url='document/what-do-we-already-know-about-spiders.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/1.jpg' width='140' height='200' /> What do we already know about spiders?

Arthropods

Arachnids Insects

Crustaceans

Page 2 <img data-url='document/what-do-we-already-know-about-spiders.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/2.jpg' width='140' height='200' /> But, what makes a spider an

Arachnid?

Page 3 <img data-url='document/what-do-we-already-know-about-spiders.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 3: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/3.jpg' width='140' height='200' /> Look at the pictures, what do you notice?

Page 4 <img data-url='document/what-do-we-already-know-about-spiders.html?page=4' data-page='4' class='cut-thumb lazyload' alt='Page 4: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/4.jpg' width='140' height='200' /> Page 5 <img data-url='document/what-do-we-already-know-about-spiders.html?page=5' data-page='5' class='cut-thumb lazyload' alt='Page 5: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/5.jpg' width='140' height='200' /> Page 6 <img data-url='document/what-do-we-already-know-about-spiders.html?page=6' data-page='6' class='cut-thumb lazyload' alt='Page 6: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/6.jpg' width='140' height='200' /> Page 7 <img data-url='document/what-do-we-already-know-about-spiders.html?page=7' data-page='7' class='cut-thumb lazyload' alt='Page 7: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/7.jpg' width='140' height='200' /> Page 8 <img data-url='document/what-do-we-already-know-about-spiders.html?page=8' data-page='8' class='cut-thumb lazyload' alt='Page 8: What do we already know about spiders?' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader036.cupdf.com/reader036/viewer/2022081512/5681338e550346895d9a96a4/html5/thumbnails/8.jpg' width='140' height='200' /> Cephalothorax