
Étape N° 14 – Maison de quartier Paul Bert et Square Henri Maurice
Les coccinelles n’ont pas toutes des points, certaines sont rouge, d’autres jaunes, leurs points n’indiquent pas leur âge car elles garderont un nombre de points identique toute leur vie. Cela permet de différencier les espèces entre elles.
La coccinelle se rencontre en particulier sur les végétaux attaqués par les pucerons, à ses différents stades de développement. Au milieu de colonies de pucerons, elle pond de petits œufs jaune sur des feuilles, qui avant de devenir adulte vont devoir passer par des transformations successives : petit œuf, ensuite drôle de larve grise avec des taches orange et jaunes.
Elle passe son temps à manger (100 à 200 pucerons par jour) et ainsi multiplie sa taille par dix, en 3 à 5 semaines, en muant deux fois. Elle finit pas se fixer sous une feuille pour devenir nymphe et sort de son enveloppe après 8 jours, pour devenir une coccinelle adulte. Sa carapace jaune, molle et fragile va durcir, ses élytres deviennent rouge éclatant orné de 7 gros points noirs. C’est au stade larvaire que son féroce appétit va débarrasser les végétaux de très nombreux pucerons. Ses couleurs vives lancent un avertissement à ses prédateurs, car elle secrète une substance toxique qui empêchera les oiseaux l’ayant testé de recommencer.
[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container][fusion_builder_container type=”flex” hundred_percent=”no” hundred_percent_height=”no” hundred_percent_height_scroll=”no” align_content=”stretch” flex_align_items=”flex-start” flex_justify_content=”flex-start” hundred_percent_height_center_content=”yes” equal_height_columns=”no” container_tag=”div” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” status=”published” border_style=”solid” box_shadow=”no” box_shadow_blur=”0″ box_shadow_spread=”0″ gradient_start_position=”0″ gradient_end_position=”100″ gradient_type=”linear” radial_direction=”center center” linear_angle=”180″ background_position=”center center” background_repeat=”no-repeat” fade=”no” background_parallax=”none” enable_mobile=”no” parallax_speed=”0.3″ background_blend_mode=”none” video_aspect_ratio=”16:9″ video_loop=”yes” video_mute=”yes” absolute=”off” absolute_devices=”small,medium,large” sticky=”off” 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animation_direction=”left” animation_speed=”0.3″ hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky”]Le savez-vous ?[/fusion_title][fusion_text rule_style=”default” animation_direction=”left” animation_speed=”0.3″ hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky”]L’aposématisme est le nom donné au mécanisme de défense utilisé par les animaux comme la coccinelle ou la salamandre pour signaler sa toxicité à l’aide de couleurs vives.
[/fusion_text][/fusion_builder_column][fusion_builder_column type=”1_2″ layout=”1_2″ align_self=”auto” content_layout=”column” align_content=”flex-start” valign_content=”flex-start” content_wrap=”wrap” center_content=”no” target=”_self” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky” order_medium=”0″ order_small=”0″ hover_type=”none” border_style=”solid” box_shadow=”no” box_shadow_blur=”0″ box_shadow_spread=”0″ background_type=”single” gradient_start_position=”0″ gradient_end_position=”100″ gradient_type=”linear” radial_direction=”center center” linear_angle=”180″ background_position=”left top” background_repeat=”no-repeat” background_blend_mode=”none” filter_type=”regular” filter_hue=”0″ filter_saturation=”100″ filter_brightness=”100″ filter_contrast=”100″ filter_invert=”0″ filter_sepia=”0″ filter_opacity=”100″ filter_blur=”0″ filter_hue_hover=”0″ filter_saturation_hover=”100″ filter_brightness_hover=”100″ filter_contrast_hover=”100″ filter_invert_hover=”0″ filter_sepia_hover=”0″ filter_opacity_hover=”100″ filter_blur_hover=”0″ animation_direction=”left” animation_speed=”0.3″ last=”true” border_position=”all” min_height=”” link=”” first=”false”][fusion_title title_type=”text” rotation_effect=”bounceIn” display_time=”1200″ highlight_effect=”circle” loop_animation=”off” highlight_width=”9″ highlight_top_margin=”0″ title_link=”off” link_target=”_self” content_align=”left” size=”1″ text_shadow=”no” text_shadow_blur=”0″ gradient_font=”no” gradient_start_position=”0″ gradient_end_position=”100″ gradient_type=”linear” radial_direction=”center center” linear_angle=”180″ style_type=”default” animation_direction=”left” animation_speed=”0.3″ hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky”]Jeux pour enfants en 1 clic[/fusion_title][fusion_fontawesome icon=”fa-child fas” size=”50″ flip=”” rotate=”” spin=”no” link=”https://www.saintmartindheres.fr/smh_sitep/wp-content/uploads/Jeu-N°14.pdf” linktarget=”_blank” alignment_medium=”” alignment_small=”” alignment=”center” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky” class=”” id=”” margin_top=”” margin_right=”” margin_bottom=”” margin_left=”” iconcolor_hover=”” hue=”” saturation=”” lightness=”” alpha=”” iconcolor=”” circle=”” bg_size=”-1″ circlecolor_hover=”var(–awb-color3)” circlecolor=”var(–awb-color3)” circlebordersize=”0″ circlebordercolor_hover=”” circlebordercolor=”” border_radius_top_left=”” border_radius_top_right=”” border_radius_bottom_right=”” border_radius_bottom_left=”” icon_hover_type=”” animation_type=”” animation_direction=”left” animation_color=”” animation_speed=”0.3″ animation_delay=”0″ animation_offset=”” /][fusion_text columns=”” column_min_width=”” column_spacing=”” rule_style=”” rule_size=”” rule_color=”” hue=”” saturation=”” lightness=”” alpha=”” content_alignment_medium=”” content_alignment_small=”” content_alignment=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky” class=”” id=”” margin_top=”” margin_right=”” margin_bottom=”” margin_left=”” fusion_font_family_text_font=”” fusion_font_variant_text_font=”” font_size=”” line_height=”” letter_spacing=”” text_transform=”” text_color=”” animation_type=”” animation_direction=”left” animation_color=”” animation_speed=”0.3″ animation_delay=”0″ animation_offset=””]Cliquez sur le pictogramme pour accéder à la fiche d’activités
[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container][fusion_builder_container type=”flex” hundred_percent=”no” hundred_percent_height=”no” hundred_percent_height_scroll=”no” align_content=”stretch” flex_align_items=”flex-start” flex_justify_content=”flex-start” hundred_percent_height_center_content=”yes” equal_height_columns=”no” container_tag=”div” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” status=”published” border_style=”solid” box_shadow=”no” box_shadow_blur=”0″ box_shadow_spread=”0″ gradient_start_position=”0″ gradient_end_position=”100″ gradient_type=”linear” radial_direction=”center center” linear_angle=”180″ background_position=”center center” background_repeat=”no-repeat” fade=”no” background_parallax=”none” enable_mobile=”no” parallax_speed=”0.3″ background_blend_mode=”none” video_aspect_ratio=”16:9″ video_loop=”yes” video_mute=”yes” absolute=”off” absolute_devices=”small,medium,large” sticky=”off” sticky_devices=”small-visibility,medium-visibility,large-visibility” sticky_transition_offset=”0″ scroll_offset=”0″ animation_direction=”left” animation_speed=”0.3″ filter_hue=”0″ filter_saturation=”100″ filter_brightness=”100″ filter_contrast=”100″ filter_invert=”0″ filter_sepia=”0″ filter_opacity=”100″ filter_blur=”0″ filter_hue_hover=”0″ filter_saturation_hover=”100″ filter_brightness_hover=”100″ filter_contrast_hover=”100″ filter_invert_hover=”0″ filter_sepia_hover=”0″ filter_opacity_hover=”100″ filter_blur_hover=”0″][fusion_builder_row][fusion_builder_column type=”1_1″ layout=”1_1″ align_self=”auto” content_layout=”column” align_content=”flex-start” valign_content=”flex-start” content_wrap=”wrap” center_content=”no” target=”_self” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky” order_medium=”0″ order_small=”0″ hover_type=”none” border_style=”solid” box_shadow=”no” box_shadow_blur=”0″ box_shadow_spread=”0″ background_type=”single” gradient_start_position=”0″ gradient_end_position=”100″ gradient_type=”linear” radial_direction=”center center” linear_angle=”180″ background_position=”left top” background_repeat=”no-repeat” background_blend_mode=”none” filter_type=”regular” filter_hue=”0″ filter_saturation=”100″ filter_brightness=”100″ filter_contrast=”100″ filter_invert=”0″ filter_sepia=”0″ filter_opacity=”100″ filter_blur=”0″ filter_hue_hover=”0″ filter_saturation_hover=”100″ filter_brightness_hover=”100″ filter_contrast_hover=”100″ filter_invert_hover=”0″ filter_sepia_hover=”0″ filter_opacity_hover=”100″ filter_blur_hover=”0″ animation_direction=”left” animation_speed=”0.3″ last=”true” border_position=”all” min_height=”” link=”” first=”true”][fusion_title title_type=”text” rotation_effect=”bounceIn” display_time=”1200″ highlight_effect=”circle” loop_animation=”off” highlight_width=”9″ highlight_top_margin=”0″ title_link=”off” link_target=”_self” content_align=”left” size=”1″ text_shadow=”no” text_shadow_blur=”0″ gradient_font=”no” gradient_start_position=”0″ gradient_end_position=”100″ gradient_type=”linear” radial_direction=”center center” linear_angle=”180″ style_type=”default” animation_direction=”left” animation_speed=”0.3″ hide_on_mobile=”small-visibility,medium-visibility,large-visibility” sticky_display=”normal,sticky”]Infos sport[/fusion_title][fusion_table fusion_table_type=”1″ fusion_table_rows=”2″ fusion_table_columns=”3″ animation_direction=”left” animation_speed=”0.3″ hide_on_mobile=”small-visibility,medium-visibility,large-visibility”]Que signifie le panneau avec un vélo blanc sur un panneau bleu, barré en rouge ? | En arrivant à proximité d’un passage piéton, je dois : | EXERCICE : Enfourcher son vélo tout en démarrant |
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►Interdiction de garer son vélo. ► Priorité aux vélos. ► Fin de la piste cyclable. | ► Accélérer pour passer vite. ► Ralentir mon allure. ►Marquer l’arrêt. ► Freiner seulement si des piétons s’engagent sur le passage. | Choisis l’un des côtés de ton vélo et mets tes 2 mains sur le guidon. Si tu es à droite, mets le pied droit sur la pédale droite, si tu es à gauche, mets le pied gauche sur la pédale gauche. En écartant un peu le vélo de ton corps, prends de l’élan en « patinant » avec la jambe libre au sol. Trouve ton équilibres en mettant ton poids de corps sur la jambe qui est sur la pédale. Quand tu auras parcouru quelques mètres ainsi, passe lentement ta jambe libre par-dessus la selle et assieds-toi. |