Zoë Huggett Tutorials - A-Level Biology & Chemistry Tuition and Revision

Welcome to the Zoë Huggett Tutorials website. Visit the online tuition page to find out more about me and how I might be able to help you with your A-Level biology or A-Level chemistry (or GCSEs).

This site provides A-Level biology revision resources to help you on your journey to a better understanding and your goal grade. See below for latest posts or browse topics to read more posts online. Download revision notes for use offline. Make sure to join my community on Instagram and social media for regular updates.

Latest News

09/10/23 I now have complete sets of PDF revision notes for both the AQA A-Level biology and OCR A A-Level biology specifications. Year 1 of Edexcel Salters-Nuffield A-Level biology is also available, and I am currently working on year 2. Visit here to find all my notes.

I am currently fully booked for online tuition, but you are welcome to get in touch to be put on my waiting list just in case a slot becomes available mid-year.

Join me on Instagram

Well I got through a fair chunk in 90 seconds anyway! #alevelbiology #biologyalevel #biologystudent #biologystudents #biologynotes #alevelbiologynotes #alevelbiologyrevision #futuredoctor #futuremedic #futurevet #futuredentist #futurescientist #alevels2024 #alevels2025

Speciation is where a population diverges into two different species. There are different ways this can happen, but there must always be reproductive isolation between different groups in the population so that the gene pools remain separate and accumulate differences.

#alevelbiology #biologystudent #biologystudents #biologyalevel #biologynotes #alevelbiologynotes #alevels2024 #alevels2025 #futurescientist #futuredoctor #futurevet #futuredentist

Up ↑

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.

Necessary

Always Enabled

Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.

Cookie	Duration	Description
cookielawinfo-checkbox-advertisement	1 year	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement".
cookielawinfo-checkbox-analytics	1 year	This cookies is set by GDPR Cookie Consent WordPress Plugin. The cookie is used to remember the user consent for the cookies under the category "Analytics".
cookielawinfo-checkbox-necessary	1 year	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-performance	1 year	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
CookieLawInfoConsent	1 year	Records the default button state of the corresponding category & the status of CCPA. It works only in coordination with the primary cookie.
SERVERID	past	This cookie is used to assign the user to a specific server, thus to provide a improved and faster server time. It remembers which server had delivered the last page on to the browser. It also helps in load balancing.

Functional

Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.

Cookie	Duration	Description
na_id	1 year 1 month	The na_id is set by AddThis to enable sharing of links on social media platforms like Facebook and Twitter.
na_rn	1 month	The na_rn cookie is used to recognize the visitor upon re-entry. It allows to record details on user behaviour and facilitate the social sharing function provided by Addthis.com.
na_sc_e	1 month	The na_sc_e cookie is used to recognize the visitor upon re-entry. It allows to record details on user behaviour and facilitate the social sharing function provided by Addthis.com.
na_sr	1 month	The na_sr cookie is used to recognize the visitor upon re-entry. It allows to record details on user behaviour and facilitate the social sharing function provided by Addthis.com.
na_srp	1 minute	The na_srp cookie is used to recognize the visitor upon re-entry. It allows to record details on user behaviour and facilitate the social sharing function provided by Addthis.com.
na_tc	1 year 1 month	The na_tc cookie is used to recognize the visitor upon re-entry. It allows to record details on user behaviour and facilitate the social sharing function provided by Addthis.com.
ouid	1 year 1 month	Associated with the AddThis widget, this cookie helps users to share content across various networking and sharing forums.
PugT	1 month	PubMatic sets this cookie to check when the cookies were updated on the browser in order to limit the number of calls to the server-side cookie store.
sb	2 years	This cookie is used by Facebook to control its functionalities, collect language settings and share pages.
SPugT	1 month	PubMatic sets this cookie to track when the server-side cookie store was last updated for the browser.

Performance

Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.

Cookie	Duration	Description
d	3 months	Quantserve sets this cookie to anonymously track information on how visitors use the website.
YSC	session	This cookies is set by Youtube and is used to track the views of embedded videos.

Analytics

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.

Cookie	Duration	Description
_ga	2 years	This cookie is installed by Google Analytics. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. The cookies store information anonymously and assign a randomly generated number to identify unique visitors.
_gid	1 day	This cookie is installed by Google Analytics. The cookie is used to store information of how visitors use a website and helps in creating an analytics report of how the wbsite is doing. The data collected including the number visitors, the source where they have come from, and the pages viisted in an anonymous form.
__gads	1 year 24 days	This cookie is set by Google and stored under the name dounleclick.com. This cookie is used to track how many times users see a particular advert which helps in measuring the success of the campaign and calculate the revenue generated by the campaign. These cookies can only be read from the domain that it is set on so it will not track any data while browsing through another sites.

Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.

Cookie	Duration	Description
ab	1 year	Owned by agkn, this cookie is used for targeting and advertising purposes.
anj	3 months	No description available.
chkChromeAb67Sec	3 months	PubMatic sets this cookie for testing purposes on Google Chrome browsers with a version above 67.
CMID	1 year	The cookie is set by CasaleMedia. The cookie is used to collect information about the usage behavior for targeted advertising.
CMPRO	3 months	CMPRO cookie is set by CasaleMedia for anonymous user tracking, and for targeted advertising.
CMPS	3 months	CMPS cookie is set by CasaleMedia for anonymous user tracking based on user's website visits, for displaying targeted ads.
CMRUM3	1 year	CMRUM3 cookie is set by CasaleMedia for anonymous user tracking based on user's website visits, for displaying targeted ads.
CMST	1 day	The cookie is set by CasaleMedia. The cookie is used to collect information about the usage behavior for targeted advertising.
DSID	1 hour	This cookie is set by DoubleClick to note the user's specific user identity. It contains a hashed/encrypted unique ID.
everest_g_v2	1 year	The cookie is set under the everesttech.net domain to map clicks to other events on the client's website.
everest_session_v2	session	This cookie, set by Everesttech, is used for targeted ads and to document efficacy of each individual ad.
fr	3 months	Facebook sets this cookie to show relevant advertisements to users by tracking user behaviour across the web, on sites that have Facebook pixel or Facebook social plugin.
Gtest	1 year 1 month	Gtest cookie is a part of the Gemius market research platform, that is used to create statistics on website usage.
i	1 year	This cookie is set by OpenX to record anonymized user data, such as IP address, geographical location, websites visited, ads clicked by the user etc., for relevant advertising.
id	1 year 1 month	Set by Google DoubleClick, this cookie is used to create user profiles to display relevant ads.
IDE	1 year 24 days	Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile.
KADUSERCOOKIE	3 months	The cookie, set by PubMatic, registers a unique ID that identifies a returning user's device across websites that use the same ad network. The ID is used for targeted ads.
KTPCACOOKIE	1 day	The cookie, set by PubMatic, registers a unique ID that identifies a returning user's device across websites that use the same ad network. The ID is used for targeted ads.
mc	1 year 1 month	Quantserve sets the mc cookie to anonymously track user behaviour on the website.
mdata	1 year 1 month	The domain of this cookie is owned by Media Innovation group. This cookie registers a unique ID used to identify a visitor on their revisit inorder to serve them targeted ads.
ov	1 year 1 month	This cookie is set by the provider mookie1.com. This cookie is used for serving the user with relevant content and advertisement.
PUBMDCID	3 months	PubMatic sets this cookie to store an ID that is used to display ads in the users' browser.
pxrc	2 months	This cookie is set by pippio to provide users with relevant advertisements and limit the number of ads displayed.
rlas3	1 year	RLCDN sets this cookie to provide users with relevant advertisements and limit the number of ads displayed.
suid_legacy	1 year	This cookie is used to collect information on user preference and interactioin with the website campaign content. This cookie is used for promoting events and products by the webiste owners on CRM-campaign-platform.
TDCPM	1 year	TDCPM cookie is set by Cloudflare service to store a unique ID that identifies a returning user's device which is then used for targeted advertising.
TDID	1 year	TDID cookie is set by Cloudflare service to store a unique ID that identifies a returning user's device which is then used for targeted advertising.
test_cookie	15 minutes	This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the user's browser supports cookies.
uid	1 year 1 month	This cookie is used to measure the number and behavior of the visitors to the website anonymously. The data includes the number of visits, average duration of the visit on the website, pages visited, etc. for the purpose of better understanding user preferences for targeted advertisments.
uuid	3 months	To optimize ad relevance by collecting visitor data from multiple websites such as what pages have been loaded.
uuid2	3 months	The uuid2 cookie is set by AppNexus and records information that helps in differentiating between devices and browsers. This information is used to pick out ads delivered by the platform and assess the ad performance and its attribute payment.
VISITOR_INFO1_LIVE	5 months 27 days	This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website.

Others

Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.

Cookie	Duration	Description
C	1 month	No description
C3UID	5 years	No description available.
C3UID-924	5 years	No description
CONSENT	16 years 9 months 4 days 7 hours 25 minutes	No description
cookielawinfo-checkbox-functional	1 year	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-others	1 year	No description
gadsTest	session	No description
GoogleAdServingTest	session	No description
ipc	past	No description available.
KRTBCOOKIE_27	1 month	No description available.
KRTBCOOKIE_377	3 months	No description available.
KRTBCOOKIE_391	1 month	No description available.
suid	1 year	No description
SyncRTB3	3 months	No description available.
u	1 year	The purpose of this cookie is targeting and marketing.The domain of this cookie is related with a company called Bombora in USA.
wpcom_highlander_3pc_check	session	No description
wp_api	past	No description
wp_api_sec	past	No description
yt-remote-connected-devices	never	No description available.
yt-remote-device-id	never	No description available.
_gat_gtag_UA_180322492_1	1 minute	No description
_ir		The cookie is set by Pinterest. We do not know the exact purpose of the cookies.
__gpi	1 year 24 days	No description